JPH10174471A - Pumped-storage power station - Google Patents
Pumped-storage power stationInfo
- Publication number
- JPH10174471A JPH10174471A JP8327295A JP32729596A JPH10174471A JP H10174471 A JPH10174471 A JP H10174471A JP 8327295 A JP8327295 A JP 8327295A JP 32729596 A JP32729596 A JP 32729596A JP H10174471 A JPH10174471 A JP H10174471A
- Authority
- JP
- Japan
- Prior art keywords
- disconnector
- generator
- starting
- circuit
- pumping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Control Of Water Turbines (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Motor And Converter Starters (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、揚水発電所に関
するもので、特に揚水する場合の始動回路に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pumped storage power plant, and more particularly to a starting circuit for pumping water.
【０００２】[0002]
【従来の技術】図１４は高圧同期方式を採用した従来の
揚水発電所の始動回路装置を示す代表的な単線接続図で
ある。図において、左側を１号機、右側を２号機とし、
１，２１は発電電動機、２，２２は主変圧器、３，２３
は相反転断路器であり、この相反転断路器３，２３は発
電運転側断路器８９Ｇと揚水運転側断路器８９Ｐとの並
列接続により構成されている。2. Description of the Related Art FIG. 14 is a typical single-line connection diagram showing a starting circuit device of a conventional pumped storage power plant employing a high-pressure synchronous system. In the figure, the left side is Unit 1 and the right side is Unit 2,
1, 21 are generator motors, 2, 22 are main transformers, 3, 23
Is a phase inversion disconnector, and the phase inversion disconnectors 3 and 23 are configured by connecting a power generating operation side disconnector 89G and a pumping operation side disconnector 89P in parallel.
【０００３】４，２４は発電電動機用遮断器、５，２５
は高圧側断路器、１２，１３はサイリスタ始動用断路
器、７，２７は同期始動用断路器で電動機運転用（揚水
時運転用）、６，２６は発電機運転用である。１１はサ
イリスタ始動装置である。[0003] Reference numerals 4 and 24 denote circuit breakers for generator motors.
Is a high-pressure side disconnector, 12 and 13 are thyristor starting disconnectors, 7 and 27 are synchronous starting disconnectors for motor operation (for pumping operation), and 6, 26 for generator operation. Reference numeral 11 denotes a thyristor starting device.
【０００４】次に動作について説明する。１号機側およ
び２号機側とも同じ動作であるから、以下、１号機の動
作について説明する。発電運転の場合は、相反転断路器
３の発電運転側断路器８９Ｇを投入し、高圧側断路器５
を投入し、発電電動機遮断器４、始動用断路器１２、
６、７を開放しておく。そして、図示していないポンプ
水車に水を流し発電電動機１を発電方向に回転させ、発
電電動機１に励磁を与える。Next, the operation will be described. Since the operations of the first and second units are the same, the operation of the first unit will be described below. In the case of the power generation operation, the power generation operation side disconnector 89G of the phase inversion disconnector 3 is turned on, and the high voltage side disconnector 5 is connected.
And a generator motor breaker 4, a starting disconnector 12,
Leave 6 and 7 open. Then, water is caused to flow through a pump turbine (not shown) to rotate the generator motor 1 in the power generation direction, and to excite the generator motor 1.
【０００５】発電電動機１は発電機電圧が系統側の電
圧、周波数、位相と一致したら発電電動機遮断器４を投
入して系統運転に入り、ポンプ水車の水量を増加させて
発電運転に入る。When the generator voltage matches the voltage, frequency and phase of the system, the generator motor 1 turns on the generator motor circuit breaker 4 to enter the system operation, and increases the amount of water in the pump turbine to enter the power generation operation.
【０００６】次に揚水運転の場合は、相反転断路器３の
揚水運転側断路器８９Ｐ、高圧側断路器５を投入し、発
電電動機遮断器４を開放しておく。ポンプ水車は水面を
押し下げて空転状態にしておき、発電電動機に始動励磁
を与える。例えばサイリスタ始動の場合は始動装置１１
により始動用断路器１２を通して発電電動機１を始動し
規定回転まで上昇させる。Next, in the case of the pumping operation, the pumping operation side disconnector 89P and the high pressure side disconnector 5 of the phase inversion disconnector 3 are turned on, and the generator motor circuit breaker 4 is opened. The pump-turbine pushes down the water surface and keeps it in an idling state, and gives a start excitation to the generator motor. For example, in the case of thyristor starting, the starting device 11
As a result, the generator motor 1 is started through the starting disconnector 12, and is raised to the specified rotation.
【０００７】また、他のユニットからの同期始動（例え
ば２号機で１号機を同期始動する場合）の場合は断路器
１２、６、２７を開放し、２号機の発電運転側断路器２
３の８９Ｇ、発電機遮断器２４を投入し、発電電動機２
１に始動励磁を与え、ゆっくりと発電電動機２１を加速
し、同期始動にて２号機の発電運転側断路器８９Ｇ、発
電機遮断器２４、断路器２６、７、１号機の揚水運転側
断路器８９Ｐを通して発電電動機１を規定回転まで上昇
させる。In the case of synchronous start from another unit (for example, when the first unit is synchronously started by the second unit), the disconnectors 12, 6, and 27 are opened, and the disconnector 2 on the power generation operation side of the second unit.
3, 89G, the generator breaker 24 is turned on, and the generator motor 2
1, the generator motor 21 is slowly accelerated, and the generator motor 21 is slowly accelerated. By synchronous start, the generator-operation-side disconnector 89G of the No. 2 generator, the generator breaker 24, the disconnectors 26, 7, and the pumping-operation-side disconnector of the first unit The generator motor 1 is raised to the specified rotation through 89P.
【０００８】発電電動機１は発電電圧が系統側の電圧、
周波数、位相が一致したら発電電動機遮断器４を投入し
て系統と並列運転に入り、ポンプ水車は水中で揚水運転
に入る。一方、発電電動機遮断器２４を開放し発電電動
機２１は発電電動機１の始動が完了したので停止させ
る。[0008] The generator motor 1 is configured such that the generated voltage is a system-side voltage,
When the frequency and the phase match, the generator / motor breaker 4 is turned on to enter parallel operation with the system, and the pump turbine enters pumping operation underwater. On the other hand, the generator motor circuit breaker 24 is opened, and the generator motor 21 is stopped since the start of the generator motor 1 is completed.
【０００９】以上のような構成では、高圧側に始動用母
線と断路器６，２６，７，２７を用いているので、これ
らの機器は高電圧に対する絶縁処理のために高価にな
り、且つ、広い設置スベースが必要であった。特に揚水
発電所は地下に設置されるためこれらの設備も地下設置
となるので、立体的スペースを必要とし発電所の建設コ
ストの上昇をもたらすことになる。In the above configuration, since the starting bus and disconnectors 6, 26, 7, and 27 are used on the high voltage side, these devices are expensive due to insulation treatment against high voltage, and are expensive. A wide installation base was required. In particular, since the pumped storage power plant is installed underground, these facilities are also installed underground, which requires a three-dimensional space and increases the construction cost of the power plant.
【００１０】このような問題点を解決するために、特開
昭６０−２８７２７号公報がある。図１５は高圧同期方
式の場合にその始動回路を低圧側である発電電動機側に
設けた単線結線図であり、図１６はその要部の３線結線
図を示す。サイリスタ始動装置１１から始動電力を供給
し発電電動機１または発電電動機２１を揚水電動機とし
て始動する場合は、遮断器１０１または１０２をＯＮと
し相反転断路器１０３をＯＦＦとして起動する。To solve such a problem, there is JP-A-60-28727. FIG. 15 is a single-line diagram in which the starting circuit is provided on the generator motor side which is the low-voltage side in the case of the high-voltage synchronous system, and FIG. 16 shows a three-line diagram of the main part thereof. When starting electric power is supplied from the thyristor starting device 11 and the generator motor 1 or the generator motor 21 is started as a pumping motor, the circuit breaker 101 or 102 is turned on and the phase inversion disconnector 103 is turned off to start.
【００１１】発電電動機１を発電機とし発電電動機２１
を揚水用電動機として始動する場合または、発電電動機
２１を発電機とし発電電動機１を揚水用電動機として始
動する場合は、相反転断路器１０３をＯＮ、遮断器１０
１をＯＦＦ、相反転断路器１０２をＯＮとして始動す
る。The generator motor 1 is used as a generator and the generator motor 21
Is started as a pumping motor, or when the generator motor 21 is started as a generator and the generator motor 1 is started as a pumping motor, the phase inversion disconnector 103 is turned on and the circuit breaker 10 is turned on.
1 is turned off, and the phase inversion disconnector 102 is turned on to start.
【００１２】このようにすると高電圧側の始動回路が無
くなり安価で設置スペースも低減できる。This eliminates the starting circuit on the high voltage side, thereby reducing the cost and the installation space.
【００１３】[0013]
【発明が解決しようとする課題】従来の揚水発電所の始
動回路装置は以上のように構成されているので、図１４
の従来のものは、高圧用の同期始動回路（断路器および
母線）を必要とし、不経済で複雑な構成である等の問題
点があった。The conventional starting circuit device for a pumped storage power plant is constructed as described above.
The conventional one requires a high-voltage synchronous starting circuit (disconnector and bus), and has problems such as an uneconomical and complicated configuration.
【００１４】また、特開昭６０−２８７２７号公報は上
記問題点を解決するものであるが、近年は更にコスト低
減する始動回路が求められるようになり、よりコスト低
減し、また、設置スベースも低減する必要があった。Japanese Patent Application Laid-Open No. 60-28727 solves the above-mentioned problem. However, in recent years, a starting circuit for further reducing the cost has been required, and the cost has been further reduced. It was necessary to reduce it.
【００１５】この発明は、上記のような問題点を解決す
るためになされたものであり、高圧同期方式の揚水発電
所において、発電電動機側に始動回路を設け、よりコス
ト低減し、また、設置スベースも低減する始動回路を提
供することを目的とする。また、この始動回路にサイリ
スタ始動回路を設けて全体としてコスト低減を図った始
動回路を提供することを目的とする。The present invention has been made to solve the above-described problems. In a high-pressure synchronous pumped storage power plant, a starting circuit is provided on the generator motor side to further reduce the cost and to install the starting circuit. It is an object of the present invention to provide a starting circuit that also reduces a base. It is another object of the present invention to provide a starting circuit in which the starting circuit is provided with a thyristor starting circuit to reduce the cost as a whole.
【００１６】[0016]
（１）この発明に係る揚水発電所は、複数個の発電電動
機を有し、高圧側で同期投入する高圧同期方式の可逆式
揚水発電所において、一対の発電電動機間に同期始動回
路を設け、その同期始動回路は、一方の発電電動機側を
発電機として使用する場合にＯＮする一方の発電用断路
器と、他方の発電電動機側を発電機として使用する場合
にＯＮする他方の発電用断路器と、一方の発電電動機を
揚水用電動機として使用する場合にＯＮする一方の揚水
用断路器と、他方の発電電動機を揚水用電動機として使
用する場合にＯＮする他方の揚水用断路器と、同期始動
終了時にＯＦＦする遮断器とで構成し、その回路接続
は、上記一方と他方の発電用断路器を直列接続して上記
両発電電動機間に接続すると共に、上記一方と他方の揚
水用断路器を直列接続して上記両発電電動機間に接続
し、且つ、上記遮断器を上記一方と他方の発電用断路器
の直列接続部と上記一方と他方の揚水用断路器の直列接
続部との間に接続する回路接続とし、一方の発電電動機
の発生電力を他方の発電電動機へ供給して始動する場
合、一方の発電用断路器、遮断器、他方の揚水用断路器
の経路で発生電力を供給し、逆に他方の発電電動機の発
生電力を一方の発電電動機へ供給して始動する場合は、
他方の発電用断路器、遮断器、一方の揚水用断路器の経
路で発生電力を供給するようにしたものである。(1) A pumped storage power plant according to the present invention has a plurality of generator motors, and in a high-pressure synchronous reversible pumped storage power plant that performs synchronous input on a high pressure side, a synchronous starting circuit is provided between a pair of generator motors. The synchronous start circuit includes one generator disconnector that is turned on when one generator motor is used as a generator, and the other generator disconnector that is turned on when the other generator motor is used as a generator. And one pumping disconnector that is turned on when one of the generator motors is used as a pumping motor, and the other pumping disconnector that is turned on when the other generator motor is used as a pumping motor. A circuit breaker that is turned off at the time of termination is connected, and the circuit connection is connected between the two generator motors by connecting the one and the other power generating disconnectors in series and connecting the one and the other pumping disconnectors. Series connection And connected between the two generator motors, and the circuit breaker is connected between the series connection part of the one and the other power generation disconnectors and the series connection part of the one and the other pumping disconnectors. When starting by supplying the generated power of one generator motor to the other generator motor with circuit connection, supply the generated power through the path of one power disconnector, circuit breaker, and the other pump disconnector, and When the power generated by the other generator motor is supplied to one generator motor and started,
The generated power is supplied through the path of the other power disconnecting switch, circuit breaker, and one pumping disconnector.
【００１７】（２）また、上記（１）の同期始動回路を
有する一対の発電電動機を複数組備えて構成すると共
に、各組の発電用断路器の直列接続部間を同期始動回路
分離用断路器を介して接続し、上記同期始動回路分離用
断路器を介して他の組の発電電動機との間で発生電力を
授受しうるようにしたものである。(2) A plurality of sets of a pair of generator motors each having the synchronous starter circuit of (1) above are provided, and a disconnection for the synchronous starter circuit separating between the serially connected portions of each set of power disconnectors. The generator is connected to the generator via a synchronous starter circuit separating disconnector so that generated power can be transferred to and from another set of generator motors.
【００１８】（３）また、複数個の発電電動機を有し、
高圧側で同期投入する高圧同期方式の可逆式揚水発電所
において、上記発電電動機側に同期始動回路を設け、そ
の同期始動回路は上記各発電電動機ごとの発電用断路器
と揚水用断路器、および同期始動終了時にＯＦＦする一
つの遮断器で構成し、その回路接続は、上記各発電用断
路器の一端を各発電電動機に各々接続すると共に他端ど
うしを一括接続し、上記各揚水用断路器の一端を各発電
電動機に各々接続すると共に他端どうしを一括接続し、
上記遮断器は上記２つの一括接続部間に接続する回路接
続とし、上記発電用断路器から上記遮断器を介して上記
揚水用断路器に至る経路で発電電力を供給するようにし
たものである。(3) It has a plurality of generator motors,
In a high-pressure synchronous reversible pumped storage power plant that performs synchronous injection on the high-pressure side, a synchronous start circuit is provided on the generator motor side, and the synchronous start circuit includes a power generating disconnector and a pumping disconnector for each of the generator motors, and A circuit breaker that is turned off at the end of synchronous start is constituted by one circuit breaker. One end of each of the power generating disconnectors is connected to each of the generator motors, and the other ends are collectively connected to each other. Is connected to each generator motor and the other ends are connected together,
The circuit breaker is a circuit connection connected between the two collective connection portions, and supplies generated power through a path from the power generating disconnector to the pumping disconnector via the circuit breaker. .
【００１９】（４）また、複数個の発電電動機を有し、
高圧側で同期投入する高圧同期方式の可逆式揚水発電所
において、上記発電電動機側に同期始動回路を設けると
共に、上記複数個の発電電動機を１個は始動用発電機と
してその他は揚水用電動機とし、上記同期始動回路は上
記同期始動終了時にＯＦＦする遮断器と、上記揚水用電
動機ごとの揚水用断路器とで構成し、その回路接続は、
上記揚水用断路器の一端を各々上記揚水用電動機に接続
すると共に、他端どうしを一括接続し、上記遮断器の一
端を上記始動用発電機に接続すると共に、他端を上記一
括接続部に接続する回路接続とし、上記遮断器から上記
揚水用断路器の経路で発生電力を供給するようにしたも
のである。(4) It has a plurality of generator motors,
In a high-pressure synchronous reversible pumped-storage power plant that performs synchronous injection on the high-pressure side, a synchronous starting circuit is provided on the generator motor side, one of the plurality of generator motors is used as a starting generator, and the other is used as a pumping motor. The synchronous start circuit is constituted by a circuit breaker that is turned off at the end of the synchronous start and a pump disconnector for each pump motor, and the circuit connection thereof is
One end of the pumping disconnector is connected to the pumping motor, and the other ends are collectively connected to each other, and one end of the circuit breaker is connected to the starting generator, and the other end is connected to the collective connecting portion. The circuit is connected so that generated power is supplied from the circuit breaker through the path of the pumping disconnector.
【００２０】（５）また、４個以上の発電電動機を有
し、高圧側で同期投入する高圧同期方式の可逆式揚水発
電所において、上記発電電動機を１個の始動用発電機と
１個以上の揚水用電動機を１組として、複数組で構成す
るようにし、上記各組ごとの同期始動回路と各組間の始
動回路分離用断路器からなる同期始動回路を上記発電電
動機側に設け、上記１組の同期始動回路は、同期始動終
了時にＯＦＦする遮断器、上記始動用発電機の発電用断
路器と揚水用断路器との並列体、および各揚水用電動機
ごとの揚水用断路器で構成し、その回路接続は、上記遮
断器の一端を上記始動用発電機に、その他端を上記並列
体の一端に接続し、上記揚水用電動機側の各揚水用断路
器の一端を各々上記揚水用電動機に、その他端を上記並
列体の他端に接続し、且つ、上記各組の上記並列体の他
端間を上記始動回路分離用断路器を介して接続する回路
接続とし、上記遮断器から上記並列体の発電用断路器、
上記揚水用断路器の経路で発電電力を供給し、更に他の
組との間で上記同期始動回路分離用断路器を介して発電
電力の授受をしうるようにして、上記始動用発電機であ
っても他の組の始動用発電機から他の組の上記並列体の
発電用断路器、上記同期始動回路分離用断路器、自分の
組の上記並列体の揚水用断路器の経路で発電電力を受け
揚水用電動機として駆動されるようにしたものである。(5) Further, in a high-pressure synchronous reversible pumped storage power plant having four or more generator motors and synchronously inputting on the high pressure side, the generator motor is combined with one starting generator and one or more generators. A plurality of sets of pumping motors, and a synchronous starting circuit including a synchronous starting circuit for each of the sets and a starting circuit separating disconnector between the sets is provided on the generator motor side. One set of the synchronous starting circuit includes a circuit breaker that is turned off at the end of the synchronous start, a parallel body of the power generating disconnector and the pumping disconnector of the starting generator, and a pumping disconnector for each pumping motor. The circuit connection is such that one end of the circuit breaker is connected to the starting generator, the other end is connected to one end of the parallel body, and one end of each pumping disconnector on the side of the pumping motor is used for pumping. Connect the other end of the motor to the other end of the And, between the other end of said each set of said parallel bodies and circuit connection for connecting via the starting circuit isolating disconnector, the power generating breaker of the parallel body from said circuit breaker,
The generated power is supplied through the path of the pumping disconnector, and the generated power can be exchanged with another set via the synchronous starting circuit separating disconnector, so that the starting generator can Even if there is another set of starting generators, another set of power generating disconnectors of the above-mentioned parallel body, the above-mentioned synchronous starting circuit separating disconnectors, and the own set of above-mentioned parallel body pumping disconnectors generate power. It receives electric power and is driven as a pumping motor.
【００２１】（６）また、上記（１）または（３）にお
いて、発電用断路器が接続された側の遮断器の端部から
始動電力を供給する一つのサイリスタ始動装置を設けた
ものである。(6) In the above (1) or (3), one thyristor starting device for supplying starting electric power from the end of the circuit breaker to which the power generating disconnector is connected is provided. .
【００２２】（７）また、上記（１）の同期始動回路を
有する一対の発電電動機を複数組備えて構成すると共
に、一つのサイリスタ始動装置と、上記各組ごとの同期
始動回路分離用断路器とを設け、上記サイリスタ始動装
置から上記同期始動回路分離用断路器を介して各組の発
電用断路器が接続された側の遮断器の端部へ始動電力を
供給するようにしたものである。(7) A plurality of sets of a pair of generator motors having the synchronous starting circuit of (1) are provided, and one thyristor starting device and a disconnector for separating the synchronous starting circuit for each of the sets are provided. And starting power is supplied from the thyristor starting device to the end of the circuit breaker on the side to which each set of power generating disconnectors is connected via the synchronous starting circuit separating disconnector. .
【００２３】（８）また、上記（４）において、遮断器
に並列接続する揚水用断路器を設けると共に、揚水用断
路器の一括接続部から始動電力を供給する一つのサイリ
スタ始動装置を設けたものである。(8) In the above (4), a pumping disconnector connected in parallel to the circuit breaker is provided, and one thyristor starting device for supplying starting electric power from a collective connection of the pumping disconnectors is provided. Things.
【００２４】（９）また、上記（５）において、始動回
路分離用断路器は各組間に設ける代わりに各組毎に設け
ようにすると共に、一つのサイリスタ始動装置を設け、
上記サイリスタ始動装置から上記始動回路分離用断路器
を介して揚水電動機側の揚水用断路器と並列体との接続
部へ始動電力を供給するようにしたものである。(9) In the above (5), the disconnecting switch for starting circuit separation is provided for each pair instead of between each pair, and one thyristor starting device is provided.
The starting power is supplied from the thyristor starting device to the connection between the pumping motor-side pump disconnector and the parallel body via the starting circuit separating disconnector.
【００２５】[0025]
実施の形態１．以下、この発明の一実施の形態を図につ
いて説明する。図１は始動回路の単線結線図であり、図
２はその要部の３線結線図である。Embodiment 1 FIG. Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a single-line connection diagram of the starting circuit, and FIG. 2 is a three-line connection diagram of a main part thereof.
【００２６】図１において、１，２１は１号機と２号機
の発電電動機、２，２２は主変圧器、３，２３は相反転
断路器で発電運転用の８９Ｇと揚水運転用の８９Ｐによ
り構成される。４，２４は発電電動機遮断器、５，２５
は高圧側断路器、６，２６は発電運転用の始動用断路器
（発電用断路器）、７，２７は電動機運転用の始動用断
路器（揚水用断路器）、８は始動用遮断器である。In FIG. 1, reference numerals 1 and 21 denote generator motors of Units 1 and 2, reference numerals 2 and 22 denote main transformers, and reference numerals 3 and 23 denote phase-reversing disconnectors, each of which is composed of 89G for generating operation and 89P for pumping operation. Is done. 4, 24 are generator motor breakers, 5, 25
Is a high-pressure side disconnector, 6 and 26 are starting disconnectors for power generation operation (power generating disconnector), 7 and 27 are starting disconnectors for motor operation (pumping disconnector), and 8 is a starting circuit breaker. It is.
【００２７】図２において、１号機の発電電動機１、２
号機の発電電動機２１共、発電機とする場合（図のＧ，
Ｇで示す）、出力はＲ，Ｓ，Ｔの相となり、発電電動機
２１が揚水用電動機の場合は、丸括弧で示すように受電
電力は（Ｔ）（Ｓ）（Ｒ）の相となり、発電電動機１が
揚水用電動機の場合は、角括弧で示すように受電電力は
［Ｔ］［Ｓ］［Ｒ］の相となる。In FIG. 2, the first generator motors 1, 2
When the generator motor 21 of the unit No. is a generator (G,
G), the output is in the phase of R, S, T. When the generator motor 21 is a pumping motor, the received power is in the phase of (T) (S) (R) as indicated by parentheses, and When the electric motor 1 is a pumping electric motor, the received power has the phases of [T], [S], and [R] as indicated by square brackets.
【００２８】次に動作について説明する。 （１）発電運転の場合は、相反転断路器３の発電運転用
断路器８９Ｇ、高圧側断路器５を投入、発電電動機遮断
器４、始動用断路器６、７を開放しておく。 （２）そして、図示していないポンプ水車に水を流し発
電電動機１を発電方向に回転させる。Next, the operation will be described. (1) In the case of the power generation operation, the power generation operation disconnector 89G and the high voltage side disconnector 5 of the phase inversion disconnector 3 are turned on, and the generator motor circuit breaker 4, and the starting disconnectors 6, 7 are opened. (2) Then, water is supplied to a pump turbine (not shown) to rotate the generator motor 1 in the power generation direction.
【００２９】（３）発電電動機１が規定回転まで上昇し
たら、発電電動機１に励磁をあたえる。 （４）発電電動機１と系統側の電圧、周波数、位相が一
致したら発電電動機遮断器４を投入して系統と並列運転
に入りポンプ水車の水量を増加させて発電運転に入る。(3) When the generator motor 1 has risen to the specified rotation, the generator motor 1 is energized. (4) When the voltage, frequency, and phase of the generator motor 1 and the system match, the generator motor breaker 4 is turned on to enter parallel operation with the system, increase the water volume of the pump turbine, and enter into power generation operation.
【００３０】次に揚水運転について、２号機で１号機を
同期始動する場合を例に説明する。 （１）１号機は、相反転断路器３の揚水運転用断路器８
９Ｐ、高圧側断路器５、始動用断路器７を投入し、発電
電動機遮断器４、始動用断路器６を開放しておく。Next, the pumping operation will be described by taking as an example a case where the first unit is synchronously started by the second unit. (1) Unit 1 is a disconnection switch 8 for pumping operation of the phase inversion disconnector 3
9P, the high-voltage side disconnector 5 and the starting disconnector 7 are turned on, and the generator motor breaker 4 and the starting disconnector 6 are opened.
【００３１】（２）２号機は、発電電動機遮断器２４、
始動用断路器２７を開放し、始動用遮断器８、始動用断
路器２６を投入しておく。 （３）１号機のポンプ水車は空転状態にしておき、発電
電動機１及び２１に始動用励磁をあたえる。(2) Unit 2 is a generator motor breaker 24,
The starting disconnector 27 is opened, and the starting circuit breaker 8 and the starting disconnector 26 are closed. (3) The pump turbine of Unit 1 is kept idling, and excitation is applied to the generator motors 1 and 21 for starting.
【００３２】（４）２号機の水車にて発電電動機２１を
徐々に加速し、発電電動機２１、始動用断路器２６、始
動用遮断器８、始動用断路器７、発電電動機１のルート
で同期始動を行う。 （５）発電電動機１と系統側の電圧、周波数、位相が一
致したら発電電動機遮断器４を投入し、系統と並列運転
に入り、始動用遮断器８を開放し、ポンプ水車を水の中
に入れて、１号機は揚水運転に入る。(4) The generator motor 21 is gradually accelerated by the No. 2 water turbine, and synchronized with the routes of the generator motor 21, the starting disconnector 26, the starting circuit breaker 8, the starting disconnector 7, and the generator motor 1. Start up. (5) When the voltage, frequency, and phase of the generator motor 1 and the system side match, the generator motor breaker 4 is turned on, the operation is started in parallel with the system, the start circuit breaker 8 is opened, and the pump turbine is placed in the water. Then, Unit 1 starts pumping operation.
【００３３】以上の始動回路は、低圧側に設置した遮断
器１台と、断路器４台で構成している。この構成と従来
の特開昭６０−２８７２７号公報の図１４の構成と比較
すると、図１４では、断路器は１台であるが遮断器が２
台必要となる。遮断器は断路器から比較して非常に高価
であり、また、設置スペース（空間のスペースも含め
て）も非常に大きなスペースを必要とする。The above starting circuit is composed of one circuit breaker installed on the low pressure side and four disconnectors. When this configuration is compared with the configuration shown in FIG. 14 of Japanese Patent Application Laid-Open No. Sho 60-28727, in FIG. 14, there is one disconnector but two circuit breakers.
You need one. Circuit breakers are very expensive compared to disconnectors, and require very large installation space (including space).
【００３４】従って、従来の図１４の遮断器２台と断路
器１台の構成よりも、この実施の形態の遮断器１台と断
路器４台の構成の方がコスト低減となり、また、設置ス
ペースも低減することができる。Accordingly, the configuration of one circuit breaker and four disconnectors of this embodiment is more cost-effective than the conventional configuration of two circuit breakers and one disconnector shown in FIG. Space can also be reduced.
【００３５】実施の形態２．この発明の実施の形態２を
図について説明する。図３は図１の始動回路にサイリス
タ始動装置１１を加えたものである。図において、サイ
リスタ始動装置の出力を始動用断路器６、２６と始動用
遮断器８の接続点に接続している。同期始動の動作は実
施の形態１と同一であるため重複説明は省略する。Embodiment 2 Embodiment 2 of the present invention will be described with reference to the drawings. FIG. 3 is obtained by adding a thyristor starting device 11 to the starting circuit of FIG. In the figure, the output of the thyristor starting device is connected to the connection point between the starting disconnecting switches 6, 26 and the starting circuit breaker 8. Since the operation of the synchronous start is the same as that of the first embodiment, the duplicate description will be omitted.
【００３６】サイリスタ始動の場合を説明する。 （１）相反転断路器３の揚水運転用８９Ｐ、始動用断路
器７、高圧側断路器５を投入し、発電電動機遮断器４、
始動用断路器６を開放しておく。 （２）１号機のポンプ水車は空転状態にして、発電電動
機１に始動励磁を与える。The case of starting the thyristor will be described. (1) The pumping operation 89P, the starting disconnector 7, and the high-pressure side disconnector 5 of the phase inversion disconnector 3 are turned on, and the generator motor breaker 4,
The starting disconnector 6 is left open. (2) The pump turbine of Unit 1 is set in an idling state to apply start excitation to the generator motor 1.
【００３７】（３）サイリスタ始動装置１１、始動用遮
断器８より始動用断路器７を通して発電電動機１をサイ
リスタ始動にて同期速度まで上昇させる。 （４）発電電動機１と系統側の電圧、周波数、位相が一
致したら発電電動機遮断器４を投入し、始動用遮断器８
を開放し、系統と並列運転に入り、ポンプ水車を水の中
に入れて、１号機は揚水運転に入る。(3) The generator motor 1 is raised to the synchronous speed by the thyristor start from the thyristor starter 11 and the start circuit breaker 8 through the start disconnector 7. (4) When the voltage, frequency, and phase of the generator motor 1 and the system match, the generator motor circuit breaker 4 is turned on, and the starting circuit breaker 8
, The system enters parallel operation with the system, puts the pump turbine in the water, and Unit 1 enters pumping operation.
【００３８】以上の構成では、サイリスタ始動装置を加
えても始動回路全体としてコストを低減することができ
る。With the above configuration, even if a thyristor starting device is added, the cost of the entire starting circuit can be reduced.
【００３９】実施の形態３．図４に実施の形態２の始動
回路を示す。３、４号機は実施の形態１の１、２号機と
同一構成である。９は同期始動回路分離断路器で、この
断路器をＯＦＦすることにより、１、２号機間での同期
始動と、３、４号機間での同期始動を別々にでき、また
別々で同時に始動可能とするための断路器である。Embodiment 3 FIG. 4 shows a starting circuit according to the second embodiment. Units 3 and 4 have the same configuration as Units 1 and 2 of the first embodiment. Reference numeral 9 denotes a synchronous start circuit separating disconnector. By turning off the disconnector, synchronous start between the first and second units and synchronous start between the third and fourth units can be separately performed, and separate and simultaneous start can be performed. It is a disconnector for making.
【００４０】動作は１、２号機間での同期始動、およ
び、３、４号機間の同期始動は実施の形態１と同一であ
るため説明を省略する。１、２号機の組と３、４号機の
組間で始動電力を授受する場合は、同期始動回路分離断
路器をＯＮとする。このように接続することで、例え
ば、１号機から３号機へ、または、２号機から４号機へ
始動電力を供給することができる。The operation of the synchronous start between the first and second units and the synchronous start between the third and fourth units are the same as those in the first embodiment, and therefore the description thereof is omitted. When starting power is exchanged between the set of the first and second units and the set of the third and fourth units, the synchronous start circuit separating disconnector is turned ON. By connecting in this way, for example, starting power can be supplied from the first machine to the third machine or from the second machine to the fourth machine.
【００４１】この実施の形態は発電電動機の台数が多い
大規模揚水発電所にも適用できる。以上のように構成す
ることで、この実施の形態の効果は、実施の形態１の一
対の発電系統（１組）のコスト低減および設置スペース
の低減の効果に対し、その組数分だけより大きい効果と
することができる。This embodiment can be applied to a large-scale pumped storage power plant having a large number of generator motors. With the configuration described above, the effect of this embodiment is larger than the effect of reducing the cost and the installation space of the pair of power generation systems (one set) of the first embodiment by the number of sets. The effect can be.
【００４２】実施の形態４．図５に実施の形態５の始動
回路を示し、実施の形態３の図４にサイリスタ始動装置
１１を加えた構成である。この場合、同期始動回路分離
断路器９は実施の形態３の図４のように各組間に設ける
代わりに、同期始動回路分離断路器９，１２のように各
組毎に設けられサイリスタ始動装置１１の始動電力を各
組毎に供給する。Embodiment 4 FIG. 5 shows a starting circuit according to the fifth embodiment, and has a configuration in which a thyristor starting device 11 is added to FIG. 4 of the third embodiment. In this case, the synchronous starting circuit separating and disconnecting device 9 is provided between each pair as in the synchronous starting circuit separating and disconnecting devices 9 and 12, instead of being provided between each pair as shown in FIG. 11 starting powers are supplied for each set.
【００４３】サイリスタ始動装置１１を用いない場合の
動作については、実施の形態３と同一であり省略する。
また、サイリスタ始動装置１１からの始動電力の供給に
ついては、同期始動回路分離断路器９，１２を介して供
給する。The operation when the thyristor starting device 11 is not used is the same as that of the third embodiment and will not be described.
In addition, the supply of the starting power from the thyristor starting device 11 is supplied via the synchronous starting circuit separating disconnectors 9 and 12.
【００４４】以上のように構成することにより、この実
施の形態の効果は、実施の形態３の効果を有する上に、
サイリスタ始動装置からも始動することができ、サイリ
スタ始動装置を加えても始動回路全体としてコストを低
減することができる。With the above-described configuration, the effect of this embodiment is the same as that of the third embodiment.
Starting can also be performed from the thyristor starting device, and even if a thyristor starting device is added, the cost of the entire starting circuit can be reduced.
【００４５】実施の形態５．図６に実施の形態５の始動
回路を示し、始動用遮断器８は全発電電動機に対し一台
を共用して使用する。この構成では、実施の形態２のご
とく同期始動を同時に実施することはできないが、どの
号機からでも同期始動は可能となる。動作は実施の形態
１と同一であるため重複説明を省略する。Embodiment 5 FIG. FIG. 6 shows a starting circuit according to the fifth embodiment. One starting circuit breaker 8 is used in common for all generator motors. In this configuration, synchronous start cannot be performed simultaneously as in the second embodiment, but synchronous start can be performed from any car. The operation is the same as that of the first embodiment, and a duplicate description will be omitted.
【００４６】このように構成すると、何号機の構成であ
っても容易に構成することができる。この場合、実施の
形態３の図４に示した同期始動回路分離断路器９も不要
となる。従って、始動用遮断器は１台のみでよく、ま
た、同期始動回路分離断路器も不要となるので、大幅な
コスト低減、設置スペース低減の効果がある。With this configuration, it is possible to easily configure any number of units. In this case, the synchronous starting circuit separating / disconnecting device 9 shown in FIG. Accordingly, only one starting circuit breaker is required, and a synchronous starting circuit separating / disconnecting switch is not required, so that the cost and the installation space can be significantly reduced.
【００４７】実施の形態６．図７に実施の形態６の始動
回路を示し、実施の形態５の図６にサイリスタ始動装置
１１を加えた構成である。この場合も、実施の形態３に
示した同期始動回路分離断路器９は不要となる。Embodiment 6 FIG. FIG. 7 shows a starting circuit according to the sixth embodiment, and has a configuration in which a thyristor starting device 11 is added to FIG. 6 of the fifth embodiment. Also in this case, the synchronous starting circuit separating / disconnecting device 9 shown in the third embodiment becomes unnecessary.
【００４８】サイリスタ始動装置１１を用いない場合の
動作については、実施の形態５と同一であり省略する。
また、サイリスタ始動装置１１からの始動電力の供給に
ついては、各始動用断路器７，２７，３７，・・・を介
して供給する。The operation when the thyristor starting device 11 is not used is the same as that of the fifth embodiment and will not be described.
Further, the supply of the starting electric power from the thyristor starting device 11 is supplied through the starting disconnecting switches 7, 27, 37,.
【００４９】以上のように構成することにより、この実
施の形態の効果は実施の形態５の効果を有する上に、サ
イリスタ始動装置からも始動することができ、サイリス
タ始動装置を加えても始動回路全体としてコストを低減
することができる。With the above configuration, the effect of this embodiment is the same as that of the fifth embodiment, and can be started by the thyristor starting device. The cost can be reduced as a whole.
【００５０】実施の形態７．図８に実施の形態７の始動
回路を示す。同期始動の駆動機は、始動用遮断器８が設
けられた号機（この場合１号機）に限定されるが、実施
の形態１および実施の形態５に比較して回路が更に簡潔
になっている。即ち、同期始動の駆動機として使用する
発電用の発電電動機１には、遮断器８のみを接続し、そ
の他の揚水用のポンプの電動機となる発電電動機２１，
３１，・・にはそれぞれ揚水用の遮断器２７，３７等を
接続するのみである。また、実施の形態３の図４に示し
た同期始動回路分離断路器９も不要となる。Embodiment 7 FIG. FIG. 8 shows a starting circuit according to the seventh embodiment. The drive unit for synchronous start is limited to the unit provided with the start circuit breaker 8 (in this case, the first unit), but the circuit is simpler than in the first and fifth embodiments. . That is, only the circuit breaker 8 is connected to the generator motor 1 for power generation used as a drive for synchronous start, and the generator motors 21 serving as motors for other pumps for pumping water are used.
Only the circuit breakers 27 and 37 for pumping are connected to 31,. Further, the synchronous starting circuit separating / disconnecting device 9 shown in FIG. 4 of the third embodiment is not required.
【００５１】動作としては、発電電動機１から遮断器
８、断路器２７，３７を経由して発電電動機２１，３１
等に発電電力が供給される。以上のように構成するとこ
により、最も簡潔な回路が実現できるので大幅なコスト
低減ができ、また、設置スペースも大幅に低減できる。As for the operation, the generator motors 21 and 31 are switched from the generator motor 1 via the circuit breaker 8 and the disconnectors 27 and 37.
And the like. With the above configuration, the simplest circuit can be realized, so that the cost can be significantly reduced and the installation space can be significantly reduced.
【００５２】実施の形態８．図９に実施の形態８の始動
回路を示し、実施の形態７の図８にサイリスタ始動装置
１１と、遮断器８に並列接続した断路器６を加えた構成
である。この断路器６は発電電動機１を揚水用ポンプ駆
動する電動機にする場合の断路器を加えた構成である。Embodiment 8 FIG. FIG. 9 shows a starting circuit according to an eighth embodiment, and has a configuration in which a thyristor starting device 11 and a disconnecting switch 6 connected in parallel to the circuit breaker 8 are added to FIG. 8 of the seventh embodiment. The disconnecting switch 6 has a configuration in which a disconnecting switch for adding a motor for driving the generator motor 1 to a pump for pumping water is added.
【００５３】サイリスタ始動装置１１を用いない場合の
動作については、実施の形態７と同一であり省略する。
また、サイリスタ始動装置１１からの始動電力の供給に
ついては、遮断器ＯＦＦとし各始動用断路器７，２７，
３７，・・・を介して供給する。なお、発電電動機１を
揚水用ポンプ駆動の電動機として使用しない場合は、断
路器７を省いてもよい。The operation when the thyristor starting device 11 is not used is the same as that of the seventh embodiment and will not be described.
In addition, the supply of the starting power from the thyristor starting device 11 is performed by turning off the circuit breaker and setting the starting disconnecting switches 7, 27,
37,... When the generator motor 1 is not used as the pump-driven motor, the disconnector 7 may be omitted.
【００５４】以上のように構成することにより、この実
施の形態の効果は実施の形態７の効果を有する上に、サ
イリスタ始動装置からも始動することができ、サイリス
タ始動装置を加えても始動回路全体としてコストを低減
することができる。With the above configuration, the effect of this embodiment is the same as that of the seventh embodiment, and can be started by a thyristor starting device. The cost can be reduced as a whole.
【００５５】実施の形態９．図１０に実施の形態９の始
動回路を示し、実施の形態３の図４に比較して回路が簡
潔になっている。この始動回路は、１号機と２号機が１
組、３号機と４号機が１組となり、各組間を同期始動回
路分離断路器９で接続するようにしている。また、始動
電力の発生は発電電動機１と４１であり、ポンプ駆動電
動機を発電電動機２１，４１としている。Embodiment 9 FIG. FIG. 10 shows a starting circuit according to the ninth embodiment, and the circuit is simpler than that of FIG. 4 of the third embodiment. This starting circuit is for the first and second
The third set and the fourth set are combined into one set, and the respective sets are connected by the synchronous starting circuit separating disconnector 9. The generation of the starting power is generated by the generator motors 1 and 41, and the pump drive motors are defined by the generator motors 21 and 41.
【００５６】発電電動機１から始動電力を供給する場合
は、遮断器８、断路器６、断路器２７の経路で発電電動
機２１に供給され、同期始動回路分離断路器９がＯＮの
場合は、遮断器８、断路器６、同期始動回路分離断路器
９、断路器３７の経路で発電電動機３１に供給され、ま
た、遮断器８、断路器６、同期始動回路分離断路器９、
断路器４７、遮断器１０の経路で発電電動機４１に供給
される。When starting electric power is supplied from the generator motor 1, the starting electric power is supplied to the generator motor 21 through the path of the circuit breaker 8, the disconnector 6, and the disconnector 27. It is supplied to the generator motor 31 through the path of the circuit breaker 8, the disconnector 6, the synchronous starting circuit separating disconnector 9, and the disconnecting switch 37, and the circuit breaker 8, the disconnecting switch 6, the synchronous starting circuit separating disconnector 9,
The power is supplied to the generator motor 41 through the path of the disconnector 47 and the circuit breaker 10.
【００５７】図１１は、１，２，３号機を１組とした場
合の始動回路で、２組目は省略している。図において、
１号機は発電用として２，３号機は電動機として用いら
れる。また、同期始動回路分離断路器９をＯＮすること
により図示しない他の組側から１〜３号機に始動電力が
供給される。１号機に供給する場合は、断路器６をＯＦ
Ｆし、断路器７をＯＮする。FIG. 11 shows a starting circuit in the case where the first, second and third units are one set, and the second set is omitted. In the figure,
The first unit is used for power generation, and the second and third units are used as electric motors. Further, by turning on the synchronous starting circuit separating and disconnecting switch 9, starting power is supplied to the first to third units from another group (not shown). When supplying to the first unit, disconnect the disconnector 6
F, and the disconnector 7 is turned on.
【００５８】このように構成することにより、実施の形
態７のように発電電動機の内、１台のみが発電用とする
限定を無くすることができる。遮断器も各組ごとに１台
のみでよいので、コスト低減と設置スペースの低減とを
実現することができる。With this configuration, it is possible to eliminate the limitation that only one of the generator motors is used for power generation as in the seventh embodiment. Since only one circuit breaker is required for each set, cost reduction and installation space can be reduced.
【００５９】実施の形態１０．図１２、図１３に実施の
形態１０の始動回路を示す。図１２は実施の形態９の図
１０にサイリスタ始動装置１１を接続したものである。
また、図１３は実施の形態９の図１１にサイリスタ始動
装置１１を接続したものである。Embodiment 10 FIG. 12 and 13 show a starting circuit according to the tenth embodiment. FIG. 12 shows a thyristor starting device 11 connected to FIG. 10 of the ninth embodiment.
FIG. 13 shows a thyristor starting device 11 connected to FIG. 11 of the ninth embodiment.
【００６０】サイリスタ始動装置１１を用いない場合の
動作については、実施の形態９と同一であり省略する。
また、サイリスタ始動装置１１からの始動電力の供給に
ついては、同期始動回路分離断路器９，１２を介して供
給する。The operation when the thyristor starting device 11 is not used is the same as that of the ninth embodiment and will not be described.
In addition, the supply of the starting power from the thyristor starting device 11 is supplied via the synchronous starting circuit separating disconnectors 9 and 12.
【００６１】[0061]
【発明の効果】以上のようにこの発明によれば、遮断器
の個数をできるだけ少なくして始動回路を構成するよう
にしたので、コスト低減と立体的スペースを含めた設置
スペースを低減することができる。As described above, according to the present invention, the starting circuit is constituted by minimizing the number of circuit breakers, so that the cost and the installation space including the three-dimensional space can be reduced. it can.
【図１】 この発明の実施の形態１を示す揚水発電所の
始動回路の単線接続図である。FIG. 1 is a single-line connection diagram of a starting circuit of a pumped storage power plant according to Embodiment 1 of the present invention.
【図２】 この発明の実施の形態１を示す始動回路の要
部の３線接続図である。FIG. 2 is a three-wire connection diagram of a main part of the starting circuit according to the first embodiment of the present invention;
【図３】 この発明の実施の形態２を示す揚水発電所の
始動回路の単線接続図である。FIG. 3 is a single-line connection diagram of a starting circuit of a pumped storage power plant according to Embodiment 2 of the present invention.
【図４】 この発明の実施の形態３を示す揚水発電所の
始動回路の単線接続図である。FIG. 4 is a single-line connection diagram of a starting circuit of a pumped storage power plant according to Embodiment 3 of the present invention.
【図５】 この発明の実施の形態４を示す揚水発電所の
始動回路の単線接続図である。FIG. 5 is a single-line connection diagram of a starting circuit of a pumped storage power plant according to Embodiment 4 of the present invention.
【図６】 この発明の実施の形態５を示す揚水発電所の
始動回路の単線接続図である。FIG. 6 is a single-line connection diagram of a starting circuit of a pumped storage power plant according to Embodiment 5 of the present invention.
【図７】 この発明の実施の形態６を示す揚水発電所の
始動回路の単線接続図である。FIG. 7 is a single-line connection diagram of a starting circuit of a pumped storage power plant according to Embodiment 6 of the present invention.
【図８】 この発明の実施の形態７を示す揚水発電所の
始動回路の単線接続図である。FIG. 8 is a single-line connection diagram of a starting circuit of a pumped storage power plant according to Embodiment 7 of the present invention.
【図９】 この発明の実施の形態８を示す揚水発電所の
始動回路の単線接続図である。FIG. 9 is a single-line connection diagram of a starting circuit of a pumped storage power plant according to Embodiment 8 of the present invention.
【図１０】 この発明の実施の形態９を示す揚水発電所
の始動回路の単線接続図である。FIG. 10 is a single-line connection diagram of a starting circuit of a pumped storage power plant according to Embodiment 9 of the present invention.
【図１１】 この発明の実施の形態９を示す揚水発電所
の始動回路の単線接続図である。FIG. 11 is a single-line connection diagram of a starting circuit of a pumped storage power plant showing a ninth embodiment of the present invention.
【図１２】 この発明の実施の形態１０を示す揚水発電
所の始動回路の単線接続図である。FIG. 12 is a single-line connection diagram of a starting circuit of a pumped storage power plant according to Embodiment 10 of the present invention.
【図１３】 この発明の実施の形態１０を示す揚水発電
所の始動回路の単線接続図である。FIG. 13 is a single-line connection diagram of a starting circuit of a pumped storage power plant according to Embodiment 10 of the present invention.
【図１４】 従来の揚水発電所の始動回路の単線接続図
である。FIG. 14 is a single-line connection diagram of a starting circuit of a conventional pumped storage power plant.
【図１５】 従来の揚水発電所の始動回路の単線接続図
である。FIG. 15 is a single-line connection diagram of a starting circuit of a conventional pumped storage power plant.
【図１６】 従来の揚水発電所の始動回路の要部の３線
接続図である。FIG. 16 is a three-wire connection diagram of a main part of a starting circuit of a conventional pumped storage power plant.
１，２１，３１，４１ 発電電動機、 ２，２２，３２，４２ 主変圧器、 ３，２３，３３，３４ 相反転断路器、 ４，２４，３４，４４ 発電電動機遮断器、 ５，２５，，３５，４５ 高圧側断路器、 ６，２６，３６，４６ 始動用断路器、 ７，２７，３７，４７ 始動用断路器、 ８，１０ 始動用遮断器、 ９，１２ 始動回路分離用断路器、 １１ サイリスタ始動装置、 1,21,31,41 generator motor, 2,22,32,42 main transformer, 3,23,33,34 phase inversion disconnector, 4,24,34,44 generator motor circuit breaker, 5,25 ,, 35, 45 High-voltage side disconnector, 6, 26, 36, 46 Starting disconnector, 7, 27, 37, 47 Starting disconnector, 8, 10 Starting circuit breaker, 9, 12 Starting circuit separating disconnector, 11 Thyristor starting device,
Claims (9)
期投入する高圧同期方式の可逆式揚水発電所において、
一対の発電電動機間に同期始動回路を設け、その同期始
動回路は、一方の発電電動機側を発電機として使用する
場合にＯＮする一方の発電用断路器と、他方の発電電動
機側を発電機として使用する場合にＯＮする他方の発電
用断路器と、一方の発電電動機を揚水用電動機として使
用する場合にＯＮする一方の揚水用断路器と、他方の発
電電動機を揚水用電動機として使用する場合にＯＮする
他方の揚水用断路器と、同期始動終了時にＯＦＦする遮
断器とで構成し、その回路接続は、上記一方と他方の発
電用断路器を直列接続して上記両発電電動機間に接続す
ると共に、上記一方と他方の揚水用断路器を直列接続し
て上記両発電電動機間に接続し、且つ、上記遮断器を上
記一方と他方の発電用断路器の直列接続部と上記一方と
他方の揚水用断路器の直列接続部との間に接続する回路
接続とし、一方の発電電動機の発生電力を他方の発電電
動機へ供給して始動する場合、一方の発電用断路器、遮
断器、他方の揚水用断路器の経路で発生電力を供給し、
逆に他方の発電電動機の発生電力を一方の発電電動機へ
供給して始動する場合は、他方の発電用断路器、遮断
器、一方の揚水用断路器の経路で発生電力を供給するよ
うにしたことを特徴とする揚水発電所。1. A high-pressure synchronous reversible pumped storage power plant having a plurality of generator motors and synchronously inputting on a high pressure side,
A synchronous start circuit is provided between a pair of generator motors, and the synchronous start circuit turns on when one of the generator motors is used as a generator, and one generator disconnector that turns on when the other generator motor is used as a generator, and the other generator motor is used as a generator. When the other generator disconnector that is turned on when used, the one pump disconnector that is turned on when one generator motor is used as a pumping motor, and when the other generator motor is used as a pumping motor. It is composed of the other pumping disconnector that is turned on and a circuit breaker that is turned off at the end of synchronous start. The circuit connection is made by connecting the one and the other power generating disconnectors in series and connecting between the two generator motors. Together, the one and the other pumping disconnectors are connected in series and connected between the two generator motors, and the circuit breaker is connected in series with the one and the other power generating disconnectors and the one and the other. Disconnect for pumping When the circuit connection is connected between the series connection part and the generator power of one generator motor is supplied to the other generator motor to start, one of the generator disconnector, the circuit breaker, and the other pumping disconnector Supply the generated power in the path of
Conversely, when starting by supplying the generated power of the other generator motor to one generator motor, the generated power is supplied through the path of the other disconnector, breaker, and one pumping disconnector. A pumped-storage power plant characterized by the following:
発電電動機を複数組備えて構成すると共に、各組の発電
用断路器の直列接続部間を同期始動回路分離用断路器を
介して接続し、上記同期始動回路分離用断路器を介して
他の組の発電電動機との間で発生電力を授受しうるよう
にしたことを特徴とする揚水発電所。2. A plurality of sets of a pair of generator motors each having the synchronous starting circuit according to claim 1 are provided, and a series connection between the generating disconnectors of each set is connected via a synchronous starting circuit separating disconnector. A pumped-storage power plant connected to the generator so as to be able to transfer generated power to and from another set of generator motors via the synchronous starting circuit separating disconnector.
期投入する高圧同期方式の可逆式揚水発電所において、
上記発電電動機側に同期始動回路を設け、その同期始動
回路は上記各発電電動機ごとの発電用断路器と揚水用断
路器、および同期始動終了時にＯＦＦする一つの遮断器
で構成し、その回路接続は、上記各発電用断路器の一端
を各発電電動機に各々接続すると共に他端どうしを一括
接続し、上記各揚水用断路器の一端を各発電電動機に各
々接続すると共に他端どうしを一括接続し、上記遮断器
は上記２つの一括接続部間に接続する回路接続とし、上
記発電用断路器から上記遮断器を介して上記揚水用断路
器に至る経路で発電電力を供給するようにしたことを特
徴とする揚水発電所。3. A high-pressure synchronous reversible pumped storage power plant having a plurality of generator motors and synchronously inputting on a high pressure side,
A synchronous start circuit is provided on the generator motor side, and the synchronous start circuit is composed of a generator disconnector and a pumping disconnector for each of the generator motors, and one circuit breaker that is turned off at the end of synchronous start, and is connected to the circuit. Connect one end of each of the above-mentioned power generating disconnectors to each of the generator motors and collectively connect the other ends thereof, and connect one end of each of the pumping disconnectors to each of the generator motors and collectively connect the other ends thereof. The circuit breaker is a circuit connection connected between the two collective connection parts, and the generated power is supplied from a path from the power generation disconnector to the pumping disconnector via the circuit breaker. A pumped-storage power plant characterized by:
期投入する高圧同期方式の可逆式揚水発電所において、
上記発電電動機側に同期始動回路を設けると共に、上記
複数個の発電電動機を１個は始動用発電機としてその他
は揚水用電動機とし、上記同期始動回路は上記同期始動
終了時にＯＦＦする遮断器と、上記揚水用電動機ごとの
揚水用断路器とで構成し、その回路接続は、上記揚水用
断路器の一端を各々上記揚水用電動機に接続すると共
に、他端どうしを一括接続し、上記遮断器の一端を上記
始動用発電機に接続すると共に、他端を上記一括接続部
に接続する回路接続とし、上記遮断器から上記揚水用断
路器の経路で発生電力を供給するようにしたことを特徴
とする揚水発電所。4. A high-pressure synchronous reversible pumped storage power plant having a plurality of generator motors and synchronously inputting on a high pressure side,
A synchronous starter circuit provided on the generator motor side, one of the plurality of generator motors as a starter generator and the other as a pumping motor, the synchronous starter circuit being turned off at the end of the synchronous starter; The pump connection is constituted by a pumping disconnector for each pumping motor, and its circuit connection is such that one end of the pumping disconnector is connected to the pumping motor, and the other end is collectively connected to each other. One end is connected to the starting generator, and the other end is connected to the collective connection section as a circuit connection, and the generated power is supplied from the circuit breaker in the path of the pumping disconnector. Pumped storage power plant.
同期投入する高圧同期方式の可逆式揚水発電所におい
て、上記発電電動機を１個の始動用発電機と１個以上の
揚水用電動機を１組として、複数組で構成するように
し、上記各組ごとの同期始動回路と各組間の始動回路分
離用断路器からなる同期始動回路を上記発電電動機側に
設け、上記１組の同期始動回路は、同期始動終了時にＯ
ＦＦする遮断器、上記始動用発電機の発電用断路器と揚
水用断路器との並列体、および各揚水用電動機ごとの揚
水用断路器で構成し、その回路接続は、上記遮断器の一
端を上記始動用発電機に、その他端を上記並列体の一端
に接続し、上記揚水用電動機側の各揚水用断路器の一端
を各々上記揚水用電動機に、その他端を上記並列体の他
端に接続し、且つ、上記各組の上記並列体の他端間を上
記始動回路分離用断路器を介して接続する回路接続と
し、上記遮断器から上記並列体の発電用断路器、上記揚
水用断路器の経路で発電電力を供給し、更に他の組との
間で上記同期始動回路分離用断路器を介して発電電力の
授受をしうるようにして、上記始動用発電機であっても
他の組の始動用発電機から他の組の上記並列体の発電用
断路器、上記同期始動回路分離用断路器、自分の組の上
記並列体の揚水用断路器の経路で発電電力を受け揚水用
電動機として駆動されるようにしたことを特徴とする揚
水発電所。5. A high-pressure synchronous reversible pumped-storage power plant having four or more generator motors and synchronously inputting on the high pressure side, wherein the generator motor is connected to one starting generator and one or more pumping generators. A plurality of sets of electric motors are provided, and a synchronous starting circuit including a synchronous starting circuit for each of the sets and a disconnecting switch for separating a starting circuit between the sets is provided on the generator motor side. When the synchronous start is completed, the synchronous start circuit
A circuit breaker for performing FF, a parallel body of a power generating disconnector and a pumping disconnector of the starting generator, and a pumping disconnector for each pumping motor are connected to one end of the circuit breaker. To the starting generator, the other end is connected to one end of the parallel body, one end of each pumping disconnector on the pumping motor side is connected to the pumping motor, and the other end is the other end of the parallel body. And a circuit connection for connecting the other end of the parallel body of each set via the starting circuit separating disconnector, and the power generating disconnector of the parallel body from the breaker, Generated power is supplied on the path of the disconnector, and the generated power can be exchanged with another set via the synchronous starting circuit separating disconnector, so that the starting generator can be used. From another set of starting generators to another set of the power disconnectors of the parallel body, Circuit separation disconnector, pumped storage power plant, characterized in that it has to be driven as a pumping electric motor receiving the electric power generated in the path of the pumping for breaker of their set of the parallel body.
おいて、発電用断路器が接続された側の遮断器の端部か
ら始動電力を供給する一つのサイリスタ始動装置を設け
たことを特徴とする揚水発電所。6. The pumped-storage power plant according to claim 1, further comprising one thyristor starting device for supplying starting electric power from an end of the circuit breaker to which the power disconnecting switch is connected. Pumped storage power plant.
発電電動機を複数組備えて構成すると共に、一つのサイ
リスタ始動装置と、上記各組ごとの同期始動回路分離用
断路器とを設け、上記サイリスタ始動装置から上記同期
始動回路分離用断路器を介して各組の発電用断路器が接
続された側の遮断器の端部へ始動電力を供給するように
したことを特徴とする揚水発電所。7. A thyristor starting device comprising a plurality of pairs of generator motors each having the synchronous starting circuit according to claim 1; and a synchronous start circuit separating disconnector for each of the sets. Pumping power, wherein starting power is supplied from the thyristor starting device to the end of the circuit breaker on the side to which each set of power generating disconnectors is connected via the synchronous starting circuit separating disconnector Place.
に並列接続する揚水用断路器を設けると共に、揚水用断
路器の一括接続部から始動電力を供給する一つのサイリ
スタ始動装置を設けたことを特徴とする揚水発電所。8. The pumped storage power plant according to claim 4, further comprising a pumping disconnector connected in parallel to the circuit breaker, and one thyristor starting device for supplying starting electric power from a collective connection of the pumping disconnectors. A pumped-storage power plant characterized by the following:
路分離用断路器は各組間に設ける代わりに各組毎に設け
ようにすると共に、一つのサイリスタ始動装置を設け、
上記サイリスタ始動装置から上記始動回路分離用断路器
を介して揚水電動機側の揚水用断路器と並列体との接続
部へ始動電力を供給するようにしたことを特徴とする揚
水発電所。9. The pumped storage power plant according to claim 5, wherein the starting circuit separating disconnector is provided for each set instead of between the sets, and one thyristor starting device is provided.
A pumped-storage power plant, wherein starting power is supplied from the thyristor starting device to the connection between the pumping motor-side pumped disconnector and the parallel body via the starting circuit separating disconnector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8327295A JPH10174471A (en) | 1996-12-06 | 1996-12-06 | Pumped-storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8327295A JPH10174471A (en) | 1996-12-06 | 1996-12-06 | Pumped-storage power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10174471A true JPH10174471A (en) | 1998-06-26 |
Family
ID=18197541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8327295A Pending JPH10174471A (en) | 1996-12-06 | 1996-12-06 | Pumped-storage power station |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10174471A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107666257A (en) * | 2017-11-15 | 2018-02-06 | 河南省水利勘测设计研究有限公司 | Hydroenergy storage station back to back starting equipment connection method |
-
1996
- 1996-12-06 JP JP8327295A patent/JPH10174471A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107666257A (en) * | 2017-11-15 | 2018-02-06 | 河南省水利勘测设计研究有限公司 | Hydroenergy storage station back to back starting equipment connection method |
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