JPH02115885A - Operation training simulator device for power plant - Google Patents
Operation training simulator device for power plantInfo
- Publication number
- JPH02115885A JPH02115885A JP26818988A JP26818988A JPH02115885A JP H02115885 A JPH02115885 A JP H02115885A JP 26818988 A JP26818988 A JP 26818988A JP 26818988 A JP26818988 A JP 26818988A JP H02115885 A JPH02115885 A JP H02115885A
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- load
- power generator
- generator
- output
- 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
- 238000004364 calculation method Methods 0.000 claims description 20
- 238000010248 power generation Methods 0.000 claims description 10
- 238000002955 isolation Methods 0.000 abstract 2
- 238000009413 insulation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、発電プラントにおける発電機の運転特性を
模擬する発電プラントの運転訓練シミュレータ装置に関
するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a power generation plant operation training simulator device that simulates the operating characteristics of a generator in a power generation plant.
第２図は従来の発電プラントの運転訓練シミュレータ装
置を示すブロック接続図であり、図において、１は発電
機を廻す機械入力、２は発電機出力、３は減算器で、機
械人力１と発電機出力２とのトルク偏差４を演算する。Fig. 2 is a block connection diagram showing a conventional power generation plant operation training simulator device. Calculate torque deviation 4 from machine output 2.
５は積分器で、偏差トルク４から発電機周波数６を演算
する。７は系統周波数で、第２の演算手段としての減算
器８により発電機周波数６と系統周波数７との周波数偏
差９を演算する。１０は積分器で、周波数偏差９から発
電機相差角１１を演算する。１２は第３の演算手段とし
ての電力潮流演算部で、発電機相差角１１から発電機出
力２を演算する。１３は系統負荷で、減算器１４により
不平衡負荷１５を演算する。１６は系統系数設定手段で
不平衡負荷１５から系統周波数変化１７を演算設定する
。１８は基準周波数で、第１の演算手段としての加算器
１９により系統周波数変化１Ｔと基準周波数１８とから
、系統周波数７を演算する。5 is an integrator that calculates the generator frequency 6 from the deviation torque 4. 7 is a system frequency, and a frequency deviation 9 between the generator frequency 6 and the system frequency 7 is calculated by a subtracter 8 as a second calculation means. 10 is an integrator that calculates a generator phase difference angle 11 from the frequency deviation 9. Reference numeral 12 denotes a power flow calculation section as a third calculation means, which calculates the generator output 2 from the generator phase difference angle 11. 13 is a system load, and an unbalanced load 15 is calculated by a subtracter 14. Reference numeral 16 denotes a system number setting means which calculates and sets a system frequency change 17 from the unbalanced load 15. 18 is a reference frequency, and the system frequency 7 is calculated from the system frequency change 1T and the reference frequency 18 by an adder 19 as a first calculating means.
次に動作について説明する。Next, the operation will be explained.
いま、発電機を機械手段にて駆動し、このときの機械人
力１と発電機出力２とを減算器３に入力してトルク偏差
４を求め、このトルク偏差４の信号を積分器５にて積分
して発電機周波数６を得る。Now, the generator is driven by mechanical means, the mechanical power 1 and the generator output 2 at this time are input to the subtracter 3 to obtain the torque deviation 4, and the signal of this torque deviation 4 is input to the integrator 5. Integrate to obtain generator frequency 6.
一方、発電機出力２は系統負荷１３とともに減算器１４
に入力されて、ここで不平衡負荷１５が求められ、これ
かさらに系統系数設定手段１６に入力されて、系統定数
に応じて系統周波数変化１７いて加算されて系統周波数
７とされ、これが上記減算器８に入力されて、発電機周
波数６との周波数偏差９が求められる。積分器１０はこ
の周波数入力し、発電機出力２を演算出力する。On the other hand, the generator output 2 is output to the subtracter 14 along with the system load 13.
The unbalanced load 15 is determined here, and this is further input to the system number setting means 16, where the system frequency change 17 is added according to the system constant, and this is set as the system frequency 7. The frequency deviation 9 from the generator frequency 6 is determined. The integrator 10 inputs this frequency and calculates and outputs the generator output 2.
また、上記回路において、系統単独模擬は系統系数設定
手段１６により系統系数を小さくすることによって、不
平衡負荷１５により系統周波数変化１７が大巾に変化し
、その結果、周波数偏差９゜発電機相差角１１１発電機
出力２が変化し、系統単独に近い応答が現われる。In addition, in the above circuit, in the grid independent simulation, by reducing the grid number by the grid number setting means 16, the grid frequency change 17 changes greatly due to the unbalanced load 15, and as a result, the frequency deviation is 9 degrees, the generator phase difference is The corner 111 generator output 2 changes, and a response close to that of the system alone appears.
従来の発電プラントの運転訓練シミュレータ装置は以上
のように構成されているので、機械人力１の変化に対し
て発電機周波数６が変化し、これによって発電機出力２
も変化してしまい、系統単独状態の発電機運転特性が正
しく模擬できなくなるなどの問題点があった。Since the conventional power plant operation training simulator device is configured as described above, the generator frequency 6 changes in response to a change in the mechanical power 1, and as a result, the generator output 2 changes.
There were problems such as the fact that the generator operating characteristics under isolated grid conditions could not be accurately simulated.
この発明は上記のような問題点を解消するためになされ
たもので、発電機周波数により発電機出力が影響されな
いように、系統単独運転状態の発電機運転特性を模擬す
ることができる発電プラントの運転訓練シミーレータ装
置を得ることを目的とする。This invention was made in order to solve the above-mentioned problems, and it is a power generation plant that can simulate the generator operating characteristics in grid islanding state so that the generator output is not affected by the generator frequency. The purpose is to obtain a driving training simulator device.
この発明に係る発電プラントの運転訓練シミュレータ装
置は、系統負荷にもとづいて負荷電気角を演算する負荷
電気角演算手段を設け、系統単独条件が成立するか否か
に応じて、系統単独切換手段により上記負荷電気角また
は発電機相差角を選択して、第３の演算手段へ出力する
ようにしたものである。The power generation plant operation training simulator device according to the present invention is provided with a load electrical angle calculation means for calculating a load electrical angle based on the system load, and is configured to use a system-only switching means depending on whether or not a system-only condition is satisfied. The load electrical angle or the generator phase difference angle is selected and output to the third calculation means.
この発明における系統単独切換手段は、発電機が電力系
統に対し単独状態となる系統単独運転状態において、系
統負荷にもとづく負荷電気角を発電機周波数に関係なく
出力し、発電機出力が変化しない運転特性を模擬するよ
うに作用する。The grid independent switching means in this invention outputs the load electrical angle based on the grid load regardless of the generator frequency in the grid isolated operation state where the generator is isolated from the power grid, and the generator output does not change. Acts to simulate characteristics.
以下、この発明の一実施例を図について説明する。第１
図において、２０は系統負荷１３かも負荷電気角２１を
演算する負荷電気角演算手段で、この負荷電気角関数の
演算式は下式の通りである。An embodiment of the present invention will be described below with reference to the drawings. 1st
In the figure, 20 is a load electrical angle calculation means for calculating the load electrical angle 21 of the system load 13, and the calculation formula for this load electrical angle function is as shown below.
θ＝ｓ＋ｎ −Ｌ ・・・・・・・・・・・・・
・・・・・■なお、この式において、θは負荷電気角、
■は発電機電圧、Ｘは発電機同期インピーダンス、Ｌは
系統負荷をそれぞれ表わす。２２は系統単独条件更手段
で、系統単独条件の時には、負荷電気角２１を発電機相
差角２３として出力し、系統単独条件が成立しない時は
、発電機相差角１１を発電機相差角２３として出力する
。同様に２４も系統単独切換手段部であり、系統単独条
件が成立している時は、発電機周波数６を系統周波数２
５として出力する。θ=s+n −L ・・・・・・・・・・・・・・・
・・・・・・■ In this formula, θ is the load electrical angle,
3 represents the generator voltage, X represents the generator synchronous impedance, and L represents the system load. Reference numeral 22 denotes a system-only condition updating means, which outputs the load electrical angle 21 as the generator phase difference angle 23 when the system-only condition is met, and outputs the generator phase difference angle 11 as the generator phase difference angle 23 when the system-only condition does not hold. Output. Similarly, 24 is a grid independent switching means section, and when the grid independent condition is satisfied, the generator frequency 6 is switched to the grid frequency 2.
Output as 5.
なお、このほかの第２図に示したものと同一のブロック
および信号には同一符号を付して、その重複する説明を
省略する。Note that other blocks and signals that are the same as those shown in FIG. 2 are given the same reference numerals, and redundant explanation thereof will be omitted.
次に動作について説明する。Next, the operation will be explained.
いま、発電機を機械手段にて駆動し、このときの機械人
力１と発電機出力２とを減算器３に入力してトルク偏差
４を求め、このトルク偏差４の信号を積分器５にて積分
して発電機周波数６を得る。Now, the generator is driven by mechanical means, the mechanical power 1 and the generator output 2 at this time are input to the subtracter 3 to obtain the torque deviation 4, and the signal of this torque deviation 4 is input to the integrator 5. Integrate to obtain generator frequency 6.
一方、発電機出力２は系統負荷１３とともに減算器１４
に入力されて、ここで不平衡負荷１５が求められ、この
不平衡負荷がさらに系統系数設定手段１６に入力されて
、系統定数に応じて系統周波１９において加算されて系
統周波数７とされ、この系統周波数７が上記減算器８に
入力されズ、発電機周波数６との周波数偏差９がとられ
る。積分器１０はこの周波数偏差９にもとづいて発電様
相発電機出力２を演算出力する。On the other hand, the generator output 2 is output to the subtracter 14 along with the system load 13.
The unbalanced load 15 is determined here, and this unbalanced load is further inputted to the grid system number setting means 16, where it is added at the system frequency 19 according to the system constant, and the system frequency 7 is obtained. The system frequency 7 is input to the subtracter 8, and a frequency deviation 9 from the generator frequency 6 is taken. The integrator 10 calculates and outputs the power generation mode generator output 2 based on this frequency deviation 9.
一方、負荷電気角演算手段２０は系統負荷１３にもとづ
いて上記演算式■に従って負荷電気角２１を演算してお
り、系統単独運転時には系統単独切換手段２２が上記負
荷電気角２１を発電機相差角２３として電力潮流演算部
１２へ出力する。また、系統単独運転条件が成立してい
ない場合には、系統単独切換手段２２によって発電機相
差角１１を出力する。このため、機械人力１の変化およ
び発電機周波数６の変化に影響されないように、系統単
独状態での発電機運転特性を模擬できることになる。On the other hand, the load electrical angle calculating means 20 calculates the load electrical angle 21 based on the system load 13 according to the above calculation formula (2), and when the system is operating independently, the system independent switching means 22 converts the load electrical angle 21 into the generator phase difference angle. 23 and is output to the power flow calculation unit 12. Moreover, when the system independent operation condition is not satisfied, the generator phase difference angle 11 is outputted by the system independent switching means 22. Therefore, it is possible to simulate the generator operating characteristics in an isolated state without being affected by changes in the mechanical power 1 and the generator frequency 6.
以上のように、この発明によれば系統負荷にもとづき負
荷電気角演算手段にょっ【負荷電気角を演算し、系統単
独条件の成立、不成立に応じて、系統単独切換手段によ
り上記負荷電気角または発電機相差角を選択して出方す
るように構成したので、機械入力を変化させても、発電
機周波数は変化するが発電機出力は変化しない運転特性
の模擬を任意に行えるものが得られる効果がある。As described above, according to the present invention, the load electrical angle is calculated by the load electrical angle calculation means based on the system load, and depending on whether the system independent condition is satisfied or not, the system independent switching means Since the generator phase difference angle is configured to be output by selecting the generator phase difference angle, it is possible to arbitrarily simulate the operating characteristics in which even if the mechanical input changes, the generator frequency changes but the generator output does not change. effective.
第１図はこの発明の一実施例による発電プラントの運転
訓練シミュレータ装置を示すブロック接続図、第２図は
従来の発電プラントの運転訓練シミーレータ装置を示す
ブロック接続図である。
２は発電機出力、６は発電機周波数、７は系統周波数、
８は第２演算手段（減算器）、９は周波数偏差、１１は
発電機相差角、１２は第３演算手段（１１！力潮流演算
部）、１３は系統負荷、１６は系統系数設定手段、１Ｔ
は系統周波数変化、１９は第１演算手段（加算器）、２
０は負荷電気角演算手段、２１は負荷電気角、２２は系
統単独切換手段。
なお、図中、同一符号は同一 又は相当部分を示す。FIG. 1 is a block connection diagram showing a power generation plant operation training simulator device according to an embodiment of the present invention, and FIG. 2 is a block connection diagram showing a conventional power generation plant operation training simulator device. 2 is the generator output, 6 is the generator frequency, 7 is the grid frequency,
8 is a second calculation means (subtractor), 9 is a frequency deviation, 11 is a generator phase difference angle, 12 is a third calculation means (11! power flow calculation section), 13 is a system load, 16 is a system system number setting means, 1T
is the system frequency change, 19 is the first calculation means (adder), 2
0 is a load electrical angle calculation means, 21 is a load electrical angle, and 22 is a system independent switching means. In addition, the same symbols in the figures indicate the same or equivalent parts.
Claims (1)
統周波数変化を設定する系統系数設定手段と、上記系統
周波数変化と予め設定した基準周波数とから系統周波数
を演算する第１の演算手段と、この演算した系統周波数
と発電機周波数との周波数偏差にもとづき発電機相差角
を演算する第２の演算手段と、上記発電機相差角にもと
づき上記発電機出力を演算する第３の演算手段とを備え
た発電プラントの運転訓練シミュレータ装置において、
上記系統負荷にもとづいて負荷電気角を演算する負荷電
気角演算手段と、系統単独条件が成立するか否かに応じ
て、上記負荷電気角または上記発電機相差角を選択的に
上記第３の演算手段へ出力する系統単独切換手段とを設
けたことを特徴とする発電プラントの運転訓練シミュレ
ータ装置。A system frequency setting means for setting a system frequency change according to an unbalanced load obtained from a system load and a generator output, and a first calculation means for calculating a system frequency from the system frequency change and a preset reference frequency. a second calculation means for calculating a generator phase difference angle based on the frequency deviation between the calculated system frequency and the generator frequency; and a third calculation means for calculating the generator output based on the generator phase difference angle. In a power generation plant operation training simulator device equipped with
load electrical angle calculation means for calculating a load electrical angle based on the system load; A power generation plant operation training simulator device, characterized in that it is provided with system independent switching means for outputting to a calculation means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26818988A JPH02115885A (en) | 1988-10-26 | 1988-10-26 | Operation training simulator device for power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26818988A JPH02115885A (en) | 1988-10-26 | 1988-10-26 | Operation training simulator device for power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02115885A true JPH02115885A (en) | 1990-04-27 |
Family
ID=17455156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26818988A Pending JPH02115885A (en) | 1988-10-26 | 1988-10-26 | Operation training simulator device for power plant |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02115885A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002357054A (en) * | 2001-05-30 | 2002-12-13 | Okamura Corp | Shielding structure for mobile panel |
-
1988
- 1988-10-26 JP JP26818988A patent/JPH02115885A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002357054A (en) * | 2001-05-30 | 2002-12-13 | Okamura Corp | Shielding structure for mobile panel |
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