JPS5838304A - Controller for starting turbine - Google Patents
Controller for starting turbineInfo
- Publication number
- JPS5838304A JPS5838304A JP13418581A JP13418581A JPS5838304A JP S5838304 A JPS5838304 A JP S5838304A JP 13418581 A JP13418581 A JP 13418581A JP 13418581 A JP13418581 A JP 13418581A JP S5838304 A JPS5838304 A JP S5838304A
- Authority
- JP
- Japan
- Prior art keywords
- turbine
- warming
- starting
- metal temperature
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
- F01D19/02—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith dependent on temperature of component parts, e.g. of turbine-casing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、タービン発電設備に係り、タービン起動時に
使用するタービン起動装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to turbine power generation equipment, and more particularly to a turbine starting device used when starting a turbine.
大容量タービンでは、タービン起動時の昇速および加負
荷は、タービンメタルの熱応力による疲労を許容値内に
抑制するため、タービン起動制御装置で、タービンメタ
ル温度、主蒸気温度、再熱蒸気温度、主蒸気圧力の計測
値を入力し、熱応力を計算して昇速率及び加負荷率を決
めて制御を行つている。小容量タービンは、夕〜ピンメ
タルの肉厚が比較的に薄いため、大容量タービンのよう
な複雑な熱応力針Ｘは必要でなく、制御装置も高価とな
るため、小容量タービンには不向きである。In large-capacity turbines, the speed increase and acceleration at turbine startup are controlled by the turbine startup control device to control the turbine metal temperature, main steam temperature, reheat steam temperature, and Control is performed by inputting the measured value of the main steam pressure, calculating the thermal stress, and determining the acceleration rate and loading rate. Small-capacity turbines are not suitable for small-capacity turbines because the thickness of the pin metal is relatively thin, so complex thermal stress needles like large-capacity turbines are not required, and the control device is also expensive. be.
本発明の目的は、タービンを起動して加負荷する場合、
タービン起動制御装置で複雑な熱応力計算をその都度し
ないで、タービンメタル温度ニより暖機時間の長さを選
択して、１本の加負荷率にて容易にタービン起動を行な
うことにある。The purpose of the present invention is to
To easily start a turbine at a single load rate by selecting the length of warm-up time based on the turbine metal temperature without performing complicated thermal stress calculations each time with a turbine start control device.
本発明は、タルビン起動方法として起動時の夕 ゛−
ビンメタル温度に関係なく、起動力）ら定格速度まで常
に１つのベタ〜ンの昇速率で昇速し、発電機遮断器を同
期投入してから目標負荷を取るまでの間は、初負荷、暖
機運転、加負荷の過程を経るが、初負荷をとってから、
加負荷を取る前までの暖機運転時間は、タ〜ピンメタル
温度がある設定値以上であれば、この信号により１つ選
択される。The present invention provides a starting method for starting a talbin.
Regardless of the metal temperature, the speed will always increase from the starting force to the rated speed at a constant rate of increase, and from the time the generator circuit breaker is synchronously closed until the target load is taken, the initial load, warm-up It goes through the process of machine operation and loading, but after the initial load is applied,
One warm-up operation time before applying the load is selected by this signal if the tap-pin metal temperature is above a certain set value.
その後は一定の加負荷率で目標負荷まで加負荷されるよ
うにして、タービンの起動を完了するようにしたもので
ある。Thereafter, the load is applied to the target load at a constant loading rate to complete startup of the turbine.
以下第１図、第２図で本発明の一実施例を詳細に説明す
る。An embodiment of the present invention will be described in detail below with reference to FIGS. 1 and 2.
第１図は１本発明によるタービンの昇速、加負荷制机ブ
ロック図、第２図は、タービン起動曲線である。FIG. 1 is a block diagram of a turbine speed increase and acceleration control according to the present invention, and FIG. 2 is a turbine starting curve.
第１図において１はタービン、２は発電機、３はタービ
ン１への入力を調節する加減弁、４は発電母線と発電機
を電気的に接続する発電機遮断器（以下５２Ｇと略称す
る）、５は５２Ｇ、４を同期投入するまで使用する昇速
率、定格速度設定器。In Fig. 1, 1 is a turbine, 2 is a generator, 3 is a control valve that adjusts the input to the turbine 1, and 4 is a generator circuit breaker (hereinafter abbreviated as 52G) that electrically connects the power generation bus and the generator. , 5 is the speed increase rate and rated speed setting device used until 52G and 4 are synchronized.
６はタービン１の速度を検出する速度検出器、７は調節
計、８は調節計７の信号で加減弁３を、駆動するだめの
加減弁駆動装置、９は初負荷、加負荷率目標負荷設定器
、１０は暖機運転時間を選択するためのタービンメタル
温度設定器、１１は温度警報器、１２はタービンメタル
温度検出器、１３はタービンメタル温度を信号変換する
温度変換器、１４は温度警報器１１の信号により暖機運
転時間が選択される。暖機運転時間選択回路、１５は計
器用変圧器（以下、ＰＴと略す）、１６は計器用１８は
調節・計である。6 is a speed detector that detects the speed of the turbine 1, 7 is a controller, 8 is a regulator valve drive device that drives the regulator valve 3 with the signal from the controller 7, 9 is an initial load, and a target load for the load rate. 10 is a turbine metal temperature setting device for selecting a warm-up operation time, 11 is a temperature alarm, 12 is a turbine metal temperature detector, 13 is a temperature converter for converting the turbine metal temperature into a signal, 14 is a temperature The warm-up operation time is selected by the signal from the alarm 11. A warm-up operation time selection circuit, 15 is a potential transformer (hereinafter abbreviated as PT), 16 is a meter, and 18 is a regulator/meter.
以下、動作を説明する。The operation will be explained below.
タービン１を起動して発電機２と発電母線を５２Ｇ、４
で同期投入するまでは、５２Ｇ、４の接点で、調節計７
の出力信号が選択されている。Start turbine 1 and connect generator 2 and power generation bus to 52G, 4
Until the synchronization is started with 52G, contact 4, controller 7
output signal is selected.
同期投入するまでは、昇速率、定格速度設定器５からの
設定信号とタービン１の速度を検出する速度検出器６の
信号と比較し、偏差があれば調節ｇ１゜７で比例、積分
して加減弁駆動装置８を経て、加減弁３に信号を出し、
加減弁３でタービン１への入力を調節して、タービン速
度を制櫛して定格速度に昇速する。Before synchronization, the setting signal from the speed increase rate and rated speed setter 5 is compared with the signal from the speed detector 6 that detects the speed of the turbine 1, and if there is a deviation, it is proportionally and integrally adjusted using adjustment g1゜7. A signal is sent to the regulator valve 3 via the regulator valve drive device 8,
The input to the turbine 1 is adjusted by the regulating valve 3 to control the turbine speed and increase the speed to the rated speed.
５２Ｇ、４を同期投入すると、調節計１８の出力信号７
５ミ選択されていてタービンメタル温Ｋ 設’Ａｌ器１
０の設定値は、Ｋ□＞Ｋｔ ＞ＫＢ ＞Ｋ４の条件で設
定され、温度警報器１１のＣ，、Ｃ，、Ｃ３、Ｃ４に各
々入力されている。タービンメタル温度はタービンメタ
ル温度検出器１２で検出し。When 52G and 4 are turned on synchronously, the output signal 7 of the controller 18
5 is selected and the turbine metal temperature is set.Al device 1
The set value of 0 is set under the condition of K□>Kt>KB>K4, and is input to C, C, C3, and C4 of the temperature alarm 11, respectively. The turbine metal temperature is detected by a turbine metal temperature detector 12.
温度変換器１３を経て信号ＫＴとして温度警報器１１の
ｃ、、ｃ、 、Ｃ８，Ｃ４に入力され各々、設定値と比
較される。The signal KT is input through the temperature converter 13 to c, , c, , C8, and C4 of the temperature alarm 11, and is compared with the set value.
Ｃ□〜Ｃ３の各々の温度警報器１１は、に１〈Ｋｔ 、
に９＜ＫＴ 、Ｋｍ＜Ｋｔ 、に４＜ＫＴ の時Ｏ
Ｎの接点が暖機時間選択回路１４に出方される。Each temperature alarm 11 of C□ to C3 is set to 1〈Kt,
When 9<KT, Km<Kt, and 4<KT, O
The N contact point is output to the warm-up time selection circuit 14.
暖機運転時間選択回路１４では、初負荷、加負荷率、目
標負荷設定器９からの設定信号を入力して、温度警報器
１１Ｃ１〜Ｃ４の出力信号に対応して、第２図に示すよ
うな暖機時間のＴ１〜Ｔ４を選択する。例えばに、が、
に、（ＫＴ 、に□＜ Ｋ Ｔ の条件であった時は、
暖機時間の長いＴ、を優先に選択するようになっていて
、同期投入後の設定信号は初負荷、暖機運転時間ＴＱ％
暖機加負荷率のパターンで目標負荷まで設定される。こ
の設定信号は１発電機２の電力をＰＴ１５、ＣＴ１６の
信号を入力して検出する電力変換器１７の出力信号と比
較して、偏差があれば、調節計１８で比例。The warm-up operation time selection circuit 14 inputs the initial load, loading rate, and setting signals from the target load setter 9, and selects the settings as shown in FIG. Select a suitable warm-up time T1 to T4. For example, but
When the condition is (KT, □<KT,
T, which has a long warm-up time, is selected with priority, and the setting signal after synchronization is input is the initial load and warm-up time TQ%.
The warm-up load rate pattern is set up to the target load. This setting signal compares the power of the first generator 2 with the output signal of the power converter 17, which detects the power by inputting the signals of PT15 and CT16, and if there is a deviation, the controller 18 converts it into proportion.
積分して加減弁駆動装置８を経て、加減弁３へ入力され
る。加減弁３の開閉調節によりタービン出力が制御され
て、目標負荷まで到達してタービン起動を完了する。The integrated signal is input to the control valve 3 via the control valve driving device 8. The turbine output is controlled by adjusting the opening and closing of the control valve 3, and the target load is reached to complete the turbine startup.
以上説明した通り５本発明によれば、タービンを起動す
る場合、起動巾制御装置で熱応力を計算する必要がなく
、暖機運転時間の選択をするのみで、他は常に１つのパ
ターンを使用して簡単な制御装置で起動することが出来
る。As explained above, according to the present invention, when starting a turbine, there is no need to calculate thermal stress with the starting width control device, only the warm-up operation time is selected, and one pattern is always used for the other operations. It can be started using a simple control device.
本発明は、起動から同期投入までは、起動前のタービン
メタル温度に関係なく、常に１つのパターンで昇速か出
来、同期投入後はタービンメタル温度の値により、暖機
運転時間を選択する回路を設けて、暖機運転時間のみ選
択すれば、他は常に１つのパターンで初負荷、加負荷、
目標負荷まで到達でき、タービン起動を容易に、安価で
簡単な制御装置とすることが出来る効果がある。The present invention is a circuit that can always increase speed in one pattern from startup to synchronization, regardless of the turbine metal temperature before startup, and after synchronization, selects the warm-up operation time depending on the turbine metal temperature value. If you select only the warm-up operation time, the others are always set in one pattern for initial load, additional load,
This has the effect that the target load can be reached, the turbine can be started easily, and the control device can be inexpensive and simple.
第１図は、本発明による昇速、加負荷制御ブロック図、
第２図はタービン起動曲線である。
１・・・タービン、２・・・発電機、３・・・加減弁、
４・・・発電機遮断器（５２Ｇ）、５・・・昇速率、定
格速度設定器、６・・・速度検出器、７・・・調節計、
８・・・加減弁駆動装置、９・・・初負荷、加負荷率、
目標負荷設定器、１０・・・タービンメタル温度検出器
、１１・・・温度警報器、１２・・・タービンメタル温
度検出器、１３・・・温度変換器、１４・・・暖機運転
時間選択回路、１５・・・計器用変圧器（ＰＴ）、１６
・・・計器用変流′Ｉ＄１ 国FIG. 1 is a block diagram of acceleration and acceleration control according to the present invention;
Figure 2 shows the turbine startup curve. 1...turbine, 2...generator, 3...control valve,
4... Generator circuit breaker (52G), 5... Speed increase rate, rated speed setter, 6... Speed detector, 7... Controller,
8... Adjustment valve drive device, 9... Initial load, loading rate,
Target load setter, 10... Turbine metal temperature detector, 11... Temperature alarm, 12... Turbine metal temperature detector, 13... Temperature converter, 14... Warm-up operation time selection Circuit, 15... Potential transformer (PT), 16
...Instrument current transformation 'I$1 Country
Claims (1)
ン制御装置において、タービン起動時に。 タービンメタル温度を検出して、メタル温度の値により
１発電機遮断器を投入後のタービン暖機運転時間の長さ
を選択して、タービン加負荷パターンを変えることを特
徴とするタービン起動制御装置０[Claims] 1. A control valve that adjusts the drive source that drives the bottle. In a turbine control device that creates signals to adjust the turbine, generator, and control valve, when the turbine is started. A turbine start control device that detects a turbine metal temperature, selects the length of a turbine warm-up operation time after closing a generator circuit breaker based on the value of the metal temperature, and changes the turbine loading pattern. 0
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13418581A JPS5838304A (en) | 1981-08-28 | 1981-08-28 | Controller for starting turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13418581A JPS5838304A (en) | 1981-08-28 | 1981-08-28 | Controller for starting turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5838304A true JPS5838304A (en) | 1983-03-05 |
Family
ID=15122420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13418581A Pending JPS5838304A (en) | 1981-08-28 | 1981-08-28 | Controller for starting turbine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5838304A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012018004A1 (en) * | 2010-08-02 | 2012-02-09 | 三菱重工業株式会社 | Power generation plant facilities and method for operating same |
| JP2020125737A (en) * | 2019-02-06 | 2020-08-20 | 三浦工業株式会社 | Steam system |
-
1981
- 1981-08-28 JP JP13418581A patent/JPS5838304A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012018004A1 (en) * | 2010-08-02 | 2012-02-09 | 三菱重工業株式会社 | Power generation plant facilities and method for operating same |
| JP2012031822A (en) * | 2010-08-02 | 2012-02-16 | Mitsubishi Heavy Ind Ltd | Power plant equipment and operation method of the same |
| CN102822451A (en) * | 2010-08-02 | 2012-12-12 | 三菱重工业株式会社 | Power generation plant facilities and method for operating same |
| KR101503129B1 (en) * | 2010-08-02 | 2015-03-24 | 미츠비시 쥬고교 가부시키가이샤 | Power generation plant facilities and method for operating same |
| JP2020125737A (en) * | 2019-02-06 | 2020-08-20 | 三浦工業株式会社 | Steam system |
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