JPS61135397A - Excitation controller of water wheel generator - Google Patents
Excitation controller of water wheel generatorInfo
- Publication number
- JPS61135397A JPS61135397A JP59255014A JP25501484A JPS61135397A JP S61135397 A JPS61135397 A JP S61135397A JP 59255014 A JP59255014 A JP 59255014A JP 25501484 A JP25501484 A JP 25501484A JP S61135397 A JPS61135397 A JP S61135397A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- water turbine
- turbine generator
- power transmission
- generator
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は系統に並列して運用する水力発電所］こおいて
、系統の初充電または系統ダウン後の外光 。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a hydroelectric power plant operated in parallel to a power grid] in which outside light is used for initial charging of the grid or after the grid is down.
電により系統の立上げを行ない、水車発電機を系統の試
送電運転から発電運転に移行させる水車発電機の励磁制
御装置に関する。The present invention relates to an excitation control device for a water turbine generator that starts up a system using electricity and shifts the water turbine generator from a test power transmission operation to a power generation operation.
一般に系統に並列して運用する水力発電所おいては、水
車発電機を系統の試送電運転から発電運転に移行させる
場合に、水車発電機を使用して系統の試送電運転を行な
い、系統の試送電が完了すると一旦水車発電機を系統か
ら解列した後再び水車発電機を系統に同期並入して発電
運転（こ移行させていた。また水車発電機を一旦解列し
ない場合には水車発電機の励磁を系統の試送電完了後ｆ
ζ切換えで、発電運転ｆζ移行させる事も行なっていた
。In general, in hydroelectric power plants that operate in parallel with the grid, when transitioning the water turbine generator from test transmission operation of the grid to generation operation, the water turbine generator is used to perform the trial transmission operation of the grid, and the Once the trial power transmission was completed, the water turbine generator was once disconnected from the system, and then the turbine generator was synchronously connected to the system again for power generation operation. Excite the generator after completing the test transmission of the grid f
By switching ζ, a shift to power generation operation fζ was also performed.
第３図において、水車発電機１は図示しない並列用しゃ
断器および主変圧器を介して系統に接続され、また水車
発電機工はその電圧値を検出する計器用変圧器２を介し
て自動電圧調整器３と試送電用自動電圧調整器４に接続
している。自動電圧調整器３は水車発電機１の電圧値と
発電機電圧設定器５の設定電圧値とを比較演算した出力
を、また試送電用自動電圧調整器４は水車発電機１の電
圧値と試送電電圧設定器６の設定電圧値とを比較演算し
た出力をサイリスタ式整流器７のゲートに接続してサイ
リスタ式整流器７を制卸し、水車発電機１の電圧を制御
する。また、界磁電圧調整器８は界磁電圧一般定器９の
設定電圧値による出力をサイリスタ式整流器７のゲート
に接続してサイリスタ式整流器７を制卸し、水車発電機
１の電圧を制御する。In Fig. 3, a water turbine generator 1 is connected to the grid via a parallel breaker and a main transformer (not shown), and the water turbine generator automatically adjusts the voltage via an instrument transformer 2 that detects the voltage value. 3 and an automatic voltage regulator 4 for test power transmission. The automatic voltage regulator 3 compares and calculates the voltage value of the water turbine generator 1 with the set voltage value of the generator voltage setter 5, and the automatic voltage regulator 4 for test transmission compares the voltage value of the water turbine generator 1 with the voltage value of the generator voltage setter 5. The output obtained by comparing and calculating the set voltage value of the test transmission voltage setting device 6 is connected to the gate of the thyristor type rectifier 7 to control the thyristor type rectifier 7 and control the voltage of the water turbine generator 1. Further, the field voltage regulator 8 connects the output according to the set voltage value of the field voltage general regulator 9 to the gate of the thyristor type rectifier 7 to control the thyristor type rectifier 7 and control the voltage of the water turbine generator 1. .
以下、第３図により従来の系統に並列して運用する水力
発電所における水車発電機の系統の試送電運転から発電
運転ｔこ移行する場合の水車発電機の励磁制卸装置につ
いて説明する。試送電電圧設定器６の設定電圧値は系統
の試送電電圧値に設定し、系統の試送電運転を図示しな
い切換スイッチにより選択すると、水車発電機１の励磁
は試送電用自動電圧調整器４）こよる制御となる。水車
発電機１が起動して定格回転数に達すると初期励磁後、
水車発電機ｌの電圧値は試送電電圧設定器６により設定
された系統の試送電電圧値となり、図示しない並列用し
ゃ断器の投入（こよって系統の試送電運転を開始する。Hereinafter, with reference to FIG. 3, a description will be given of an excitation control device for a water turbine generator when the system of a water turbine generator in a hydroelectric power plant operated in parallel with a conventional system is transferred from a test power transmission operation to a power generation operation. The set voltage value of the test transmission voltage setting device 6 is set to the test transmission voltage value of the grid, and when the test power transmission operation of the grid is selected using a changeover switch (not shown), the excitation of the water turbine generator 1 is set to the test transmission voltage value of the automatic voltage regulator 4 for test power transmission. ) This will result in greater control. When the water turbine generator 1 starts up and reaches the rated rotation speed, after initial excitation,
The voltage value of the water turbine generator 1 becomes the trial transmission voltage value of the system set by the trial transmission voltage setting device 6, and a parallel circuit breaker (not shown) is turned on (thus, trial transmission operation of the system is started.
その後、系統の電圧を一定にするように試送電電圧設定
器６の設定電圧値を上げて行く。系統の試送電運転が完
子して水車発電機１の電圧値が発電機電圧設定器の無負
荷規定電圧値まで上昇すると、図示しない切換スイッチ
にて系統の試送電運転から発電運転に切換えることによ
り水車発電機１の励磁を試送電用自動電圧調整器４から
自動電圧調整器３Ｉこ切換えて、水車発電機１を試送電
運転から発電運転に移行させる。Thereafter, the set voltage value of the test transmission voltage setter 6 is increased so as to keep the voltage of the system constant. When the trial power transmission operation of the system is completed and the voltage value of the water turbine generator 1 rises to the no-load specified voltage value of the generator voltage setting device, the system can be switched from the trial power transmission operation to the generation operation using a changeover switch (not shown). The excitation of the water turbine generator 1 is switched from the test power transmission automatic voltage regulator 4 to the automatic voltage regulator 3I, and the water turbine generator 1 is shifted from the test power transmission operation to the power generation operation.
しかし、上記の従来Ｅこおけろ水車発磁機の励磁制御装
置によると、試送電用自動電圧調整器と試送電電圧設定
器とを追加するので励磁制卸装置の価格が高くなり、ま
た水車発電機の励磁を試送電用自動電圧調整器４から自
動電圧調整器３に切換える時ｆこ試送電電圧設定器６の
設定電圧値と発電機電圧設定器５の設定電圧値とが一致
していない場合Ｅこは系統ｔこ動揺を与えるおそれがあ
るという問題点があった。However, according to the excitation control device for the conventional E-water turbine generator described above, the price of the excitation control device becomes high because an automatic voltage regulator for test power transmission and a test power transmission voltage setting device are added, and the price of the excitation control device becomes high. When switching the excitation of the generator from the automatic voltage regulator 4 for test transmission to the automatic voltage regulator 3, make sure that the set voltage value of the test transmission voltage setter 6 and the set voltage value of the generator voltage setter 5 match. If not, there was a problem in that there was a risk that the system would be disturbed.
本発明は、このような事情を考慮し、系統に並列して運
用する水力発電所において、水車発電機を系統の試送電
運転から発電運転１ζ移行させる場合に、水車発電機を
系統から解列することなく、また試送電用自動電圧調整
器および試送電電圧設定器を追加せずに、系統に動揺を
与えない水車発電機の励磁制卸装置を提供することを目
的とする。Taking these circumstances into consideration, the present invention provides a method for disconnecting the water turbine generator from the system when transitioning the water turbine generator from the test transmission operation of the system to the generation operation 1ζ in a hydroelectric power plant that is operated in parallel with the system. To provide an excitation control device for a water turbine generator that does not cause disturbance to a power system without adding an automatic voltage regulator for test power transmission and a test power voltage setting device.
このため、本発明は界磁電圧調整器により水車発電機の
試送電運転を行い、界磁電圧設定器の設定電圧値が発電
機電圧設定器の設定電圧値に一致したことを電圧平衡検
出器）こて検出してから水車発電機の励磁を界磁電圧調
整器から自動電圧調整器に切換え、水車発電機を試送電
運転から発電運転に円滑に移行させるようにしたことを
特徴とす゛ る。For this reason, the present invention performs a trial power transmission operation of a water turbine generator using a field voltage regulator, and uses a voltage balance detector to detect that the set voltage value of the field voltage setter matches the set voltage value of the generator voltage setter. ) After detecting the iron, the excitation of the water turbine generator is switched from the field voltage regulator to the automatic voltage regulator, so that the water turbine generator smoothly transitions from test transmission operation to power generation operation. .
以下、本発明を図面に示す実施例を参照して説明する。 The present invention will be described below with reference to embodiments shown in the drawings.
第１図は本発明の一実施例に係ろ水車発電機の励磁制御
装置の単線結線図を示したもので、水車発電機１は図示
しをい並列用しゃ断器および主変圧器を介して系統に接
続され、また水車発電機１はその電圧値を検出する計器
用変圧器２を介して自動電圧調整器３１ζ接続している
。自動電圧調整器３は水車発電機１の電圧値と発電機電
圧設定器５の設定電圧値とを比較演算した出力を、サイ
リスタ式整流器７のゲートに接続してサイリスク式整流
器７を制御し、水車発電機１の電圧を制卸する。また界
磁電圧調整器８は界磁電圧設定器９の設定電圧値ｔこよ
る出力をサイリスタ式整流器７のゲート；こ接続してサ
イリスタ式整流器７を制卸し水車発電機１の電圧を制卸
する。電圧平衡検出器１０は界磁電圧設定器９の設定電
圧値と発電機電圧設定器の設定電圧値とが一致したこと
を検出して動作する。FIG. 1 shows a single-line connection diagram of an excitation control device for a water turbine generator according to an embodiment of the present invention. The water turbine generator 1 is connected to an automatic voltage regulator 31ζ via an instrument transformer 2 that detects its voltage value. The automatic voltage regulator 3 connects the output obtained by comparing the voltage value of the water turbine generator 1 and the set voltage value of the generator voltage setting device 5 to the gate of the thyristor type rectifier 7 to control the thyristor type rectifier 7. The voltage of the water turbine generator 1 is controlled. In addition, the field voltage regulator 8 connects the output of the field voltage setting device 9 based on the set voltage value t to the gate of the thyristor rectifier 7 to control the thyristor rectifier 7 and control the voltage of the water turbine generator 1. do. The voltage balance detector 10 operates by detecting that the set voltage value of the field voltage setter 9 and the set voltage value of the generator voltage setter match.
第２図は制御シーケンスを示したもので、第１図に示す
水車発電機１を系統の試送電運転に選択する切換スイッ
チ２１を試送電使用側（左側）に操作すると保持継電器
２２が動作する。また切換スイッチ２１を試送電除外側
（右側）（ζ操作すると第１図に示す電圧平衡検出器１
０のａ接点の内の一つが閉じている事を条件に保持継電
器２２が復帰する。Fig. 2 shows the control sequence, and when the selector switch 21 for selecting the water turbine generator 1 shown in Fig. 1 for trial power transmission operation of the system is operated to the trial power use side (left side), the holding relay 22 is activated. . In addition, when the selector switch 21 is operated to the test power exclusion side (right side) (ζ), the voltage balance detector 1 shown in FIG.
The holding relay 22 returns to its original state on the condition that one of the NO contacts is closed.
更に第１図に示す水車発電機１の励磁を自動電圧調整器
３の制御が界磁電圧調整器８の制御かのどちらか一方］
こ選択する切換スイッチおを自動電圧調整器使用側（左
側）（ζ操作すると、第１図に示す電圧平衡検出器１０
のｂ接点が閉じていることを条件に保持継電器２４が動
作し、保持継電器２４は切換スイッチ招が界磁電圧調整
器使用側（右側）に操作すると共に第１図に示す電圧平
衡検出器１０のａ接点の内の一つが閉じていることを条
件に復帰する。また保持継電器２４は保持継電器２２の
ａ接点が閉じることによっても復帰する。Further, the excitation of the water turbine generator 1 shown in FIG. 1 is controlled by the automatic voltage regulator 3 or controlled by the field voltage regulator 8]
When this selector switch is operated on the automatic voltage regulator use side (left side) (ζ), the voltage balance detector 10 shown in Figure 1 is activated.
The holding relay 24 operates on the condition that the b contact of Returns on condition that one of the a contacts is closed. The holding relay 24 also returns to its original state when the a contact of the holding relay 22 closes.
次に切換スイッチｎは自動電圧使用側（左側）に操作し
、切換スイッチ２１を試送電使用側（左側）に操作する
と、保持継電器２２は動作して一方の保持継電器２４は
復帰する。この操作により水車発電機１の励磁は界磁電
圧調整器８で制御することＦこなる。水車発電機ｌを起
動して定格回転数ｌζ達すると初期励磁後、水車発電機
ｌの電圧値は界磁電圧設定器９の設定電圧値となり、図
示しない並列用しゃ断器の投入により系統の試送電運転
を開始する。その後、系・統の電圧を一定Ｉこするよう
に界磁電圧設定器９の設定電圧値を上げて行く。系統の
試送運転が完了して界磁電圧設定器９の設定器 。Next, when the changeover switch n is operated to the automatic voltage use side (left side) and the changeover switch 21 is operated to the test power use side (left side), the holding relay 22 is activated and one of the holding relays 24 is restored. With this operation, the excitation of the water turbine generator 1 is controlled by the field voltage regulator 8. When the water turbine generator l is started and reaches the rated rotational speed lζ, after initial excitation, the voltage value of the water turbine generator l becomes the set voltage value of the field voltage setting device 9, and the system is tested by turning on a parallel breaker (not shown). Start power transmission operation. Thereafter, the set voltage value of the field voltage setting device 9 is increased so as to keep the voltage of the system constant. After the trial run of the system is completed, the field voltage setting device 9 is set.
正値と発電機電圧設定器５の設定電圧値が一致すると、
電圧平衡検出器１０が動作する。この状態で操作スイッ
チ２１を試送電除外側（右側）ｆζ操作すると保持継電
器２２が復帰することにより保持継電器２４が動作する
。水車発電機１の励磁は界磁電圧調整器８から自動電圧
調整器３に切換えられて、水車発電機１は系統の試送電
運転から発電運転］こ移行する。When the positive value matches the set voltage value of the generator voltage setting device 5,
Voltage balance detector 10 operates. In this state, when the operation switch 21 is operated on the test power transmission exclusion side (right side) fζ, the holding relay 22 is reset and the holding relay 24 is activated. The excitation of the water turbine generator 1 is switched from the field voltage regulator 8 to the automatic voltage regulator 3, and the water turbine generator 1 shifts from the test transmission operation of the system to the generation operation.
以上の実施例によれば電圧平衡検出器１０により界磁電
圧設定器９の設定電圧値と発電機電圧設定器５の設定電
圧値とが一致している状態で水車発電機１の励磁を界磁
電圧調整器８から自動電圧調整器３に切換えるので、系
統に動揺を与えることなく水車発電機１を系統の試送電
運転から発電運転に移行させるたとができる。また系統
の試送電運転のために、試送電用自動電圧調整器４およ
び試送電電圧設定器６を省略することができる。According to the above embodiment, the excitation of the water turbine generator 1 is controlled by the voltage balance detector 10 when the set voltage value of the field voltage setter 9 and the set voltage value of the generator voltage setter 5 match. Since the magnetic voltage regulator 8 is switched to the automatic voltage regulator 3, it is possible to shift the water turbine generator 1 from the test transmission operation of the system to the generation operation without disturbing the system. Furthermore, for the test power transmission operation of the system, the test power transmission automatic voltage regulator 4 and the test power transmission voltage setter 6 can be omitted.
また、他の実施例として水車発電機１の電圧値を電圧継
電器により検出するように構成し、発電機電圧設定器５
の無負荷規定電圧値を電圧継電器の設定値として、電圧
継電器が動作したことにより水車発電機１の励磁を界磁
電圧調整器８から自動電圧調整器３に切換えるようにし
ても同様の効果が得られる。Further, as another embodiment, the voltage value of the water turbine generator 1 is configured to be detected by a voltage relay, and the generator voltage setting device 5
The same effect can be obtained even if the no-load specified voltage value of is set as the setting value of the voltage relay, and when the voltage relay operates, the excitation of the water turbine generator 1 is switched from the field voltage regulator 8 to the automatic voltage regulator 3. can get.
以上のよう）こ本発明によれば、水車発電機を系統から
解列せずに、また励磁を一致させて自動的に切換えるの
で、系統（こ動揺を与えることなく速やかに系統の試送
電運転から発電運転に移行させることができる。As described above, according to the present invention, the water turbine generator is automatically switched without disconnecting from the grid, and the excitation is made to match. It is possible to shift to power generation operation.
第１図は本発明の水車発電機の励磁制御装置の一実施例
を示す単線結線図、第２図は本発明の水 、車発電機の
励磁制御装置の一実施例を示す制御シーケンス回路図、
第３図は従来の水車発電機の励磁制御装置を示す構成図
である。
１・・・水車発電機 ２・・・計器用変圧器３・・
・自動電圧調整器 ４・・・試送電用自動電圧調整器５
・・・発電機電圧設定器 ６・・・試送電１！圧設定
器７・・・サイリスタ式整流器 ８・・・界磁電圧調整
器９・・・界磁電圧設定器 １０・・・電圧平衡検出器
２１．２３・・・切換スイッチ ２２．２４・・・保
持継電器（７３１７） 代理人 弁理士 則 近 憲
佑 （ほか１名）第１図
第２１！ｌ
第３図FIG. 1 is a single line diagram showing an embodiment of the excitation control device for a water turbine generator of the present invention, and FIG. 2 is a control sequence circuit diagram showing an embodiment of the excitation control device for a water turbine generator of the present invention. ,
FIG. 3 is a configuration diagram showing a conventional excitation control device for a water turbine generator. 1... Water turbine generator 2... Instrument transformer 3...
・Automatic voltage regulator 4...Automatic voltage regulator for trial power transmission 5
... Generator voltage setting device 6 ... Trial power transmission 1! Pressure setting device 7... Thyristor type rectifier 8... Field voltage regulator 9... Field voltage setting device 10... Voltage balance detector 21.23... Changeover switch 22.24... Holding Relay (7317) Agent Patent Attorney Noriyuki Chika (and 1 other person) Figure 1 Figure 21! l Figure 3
Claims (1)
機の出力電圧値と発電機電圧設定器の設定電圧値とを比
較演算してサイリスタ式整流器を制御する自動電圧調整
器と、界磁電圧設定器の設定電圧値により前記サイリス
タ式整流器を制御する界磁電圧調整器と、前記発電機電
圧設定器の設定電圧値と前記界磁電圧設定器の設定電圧
値とが平衡している事を検出する電圧平衡装置とから構
成され、前記界磁電圧調整器により系統の試送電運転を
行い、系統の試送電完了を前記電圧平衡検出器により検
出させて前記水車発電機の励磁を前記界磁電圧調整器か
ら前記自動電圧調整器に切換えて試送電運転から発電運
転に移行させる事を特徴とする水車発電機の励磁制御装
置。In a hydroelectric power plant that operates in parallel to the grid, an automatic voltage regulator that controls a thyristor rectifier by comparing and calculating the output voltage value of the water turbine generator and the set voltage value of the generator voltage setting device, and the field voltage A field voltage regulator that controls the thyristor rectifier according to a set voltage value of a setting device, and a field voltage regulator that controls the setting voltage value of the generator voltage setting device and the setting voltage value of the field voltage setting device are in balance. and a voltage balance device for detecting, the field voltage regulator performs a trial power transmission operation of the system, the completion of the trial power transmission of the system is detected by the voltage balance detector, and the excitation of the water turbine generator is adjusted to the field voltage. An excitation control device for a water turbine generator, characterized in that it switches from a voltage regulator to the automatic voltage regulator to shift from trial power transmission operation to power generation operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59255014A JPS61135397A (en) | 1984-12-04 | 1984-12-04 | Excitation controller of water wheel generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59255014A JPS61135397A (en) | 1984-12-04 | 1984-12-04 | Excitation controller of water wheel generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61135397A true JPS61135397A (en) | 1986-06-23 |
Family
ID=17272994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59255014A Pending JPS61135397A (en) | 1984-12-04 | 1984-12-04 | Excitation controller of water wheel generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61135397A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104579063A (en) * | 2015-02-06 | 2015-04-29 | 重庆大江动力设备制造有限公司 | Delay control circuit for generator set and control method |
-
1984
- 1984-12-04 JP JP59255014A patent/JPS61135397A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104579063A (en) * | 2015-02-06 | 2015-04-29 | 重庆大江动力设备制造有限公司 | Delay control circuit for generator set and control method |
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