JP2640596B2 - Power generation control device - Google Patents
Power generation control deviceInfo
- Publication number
- JP2640596B2 JP2640596B2 JP4016565A JP1656592A JP2640596B2 JP 2640596 B2 JP2640596 B2 JP 2640596B2 JP 4016565 A JP4016565 A JP 4016565A JP 1656592 A JP1656592 A JP 1656592A JP 2640596 B2 JP2640596 B2 JP 2640596B2
- Authority
- JP
- Japan
- Prior art keywords
- generated power
- deviation
- width
- dead zone
- pulse
- 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.)
- Expired - Fee Related
Links
Landscapes
- Control Of Eletrric Generators (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自家用発電機の発電電
力を発電電力指令値に応じた電力となるよう制御する発
電電力制御装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a generated power control device for controlling the generated power of a private generator so as to be in accordance with a generated power command value.
【０００２】[0002]
【従来の技術】従来の発電電力制御装置を図３の自家用
発電装置のブロック構成図を参照して説明する。同図に
示すように、自家用発電装置は、商用系統２または他の
自家用発電装置３と連系されている発電機１と、動力源
となるディーゼルエンジン４と、発電電力指令値Ｐ* を
出力する発電電力指令値設定器５と、発電電力Ｐを検出
する電力検出器６と、発電電力指令値Ｐ* と発電電力Ｐ
との発電電力偏差からその偏差量に応じたパルス幅のガ
バナ制御パルスＧｐを出力する発電電力制御装置７と、
ガバナ制御パルスに応じてエンジン４の回転数を制御す
るガバナ８とから構成されている。９は遮断器、１０は
系統に接続されている負荷である。2. Description of the Related Art A conventional power generation control device will be described with reference to a block diagram of a private power generation device shown in FIG. As shown in the figure, the private power generator outputs a generator 1 connected to the commercial system 2 or another private power generator 3, a diesel engine 4 serving as a power source, and a generated power command value P * . Generated power command value setter 5, power detector 6 for detecting generated power P, generated power command value P * and generated power P
A generated power control device 7 that outputs a governor control pulse Gp having a pulse width corresponding to the deviation from the generated power deviation from
And a governor 8 for controlling the number of revolutions of the engine 4 according to the governor control pulse. 9 is a circuit breaker, 10 is a load connected to the grid.
【０００３】この発電電力制御装置７の内部構成は、図
４の機能構成図に示すように、発電電力指令値Ｐ* と発
電電力出力Ｐとの発電電力偏差と固定された不感帯幅と
を比較し、発電電力偏差が不感帯幅を超えた時に、発電
電力偏差を通過させる不感帯要素１１と、不感帯要素１
１を通過した発電電力偏差から発電機１の発電電力出力
Ｐが発電電力指令値Ｐ* に追従するようガバナ８を制御
するガバナ制御パルスのパルス幅を演算するパルス幅演
算要素（比例要素、Ｋｐは比例ゲイン）１２と、演算し
て求められたガバナ制御パルス幅から実際にガバナ８を
制御するパルスを発生するパルス発生器１３とから構成
されている。このような構成の発電電力制御装置７にお
いて、発電電力指令値Ｐ* と発電電力Ｐの偏差Ｐｅが不
感帯要素１１の不感帯の範囲内ならば不感帯要素１１の
出力は０となるので、パルス幅演算要素１２の出力も０
となり、ガバナ制御パルスＧｐは出力されない。発電電
力偏差Ｐｅが不感帯の範囲を越える場合は、発電電力偏
差Ｐｅをパルス幅演算要素１２のゲインＫｐに応じて増
幅し、パルス発生器１３を通じてガバナ制御パルスＧｐ
（上げパルスまたは下げパルス）が出力される。[0003] As shown in the functional configuration diagram of FIG. 4, the internal configuration of the generated power control device 7 includes a generated power command value P * and a generated power command value.
The deviation of the generated power from the electric power output P and the fixed dead band width
And when the generated power deviation exceeds the dead zone width,
Dead zone element 11 for passing the power deviation and dead zone element 1
Power output of generator 1 based on deviation of generated power passing through 1
Governor 8 is controlled so that P follows generated power command value P *
Pulse width calculation element for calculating the pulse width of the governor control pulses (proportional element, Kp is a proportional gain) and 12, calculates
Governor 8 is actually determined from the governor control pulse width
And a pulse generator 13 for generating a pulse to be controlled . In the generated power control device 7 having such a configuration, if the deviation Pe between the generated power command value P * and the generated power P is within the range of the dead zone of the dead zone element 11, the output of the dead zone element 11 becomes 0. Output of element 12 is also 0
And the governor control pulse Gp is not output. When the generated power deviation Pe exceeds the range of the dead zone, the generated power deviation Pe is amplified according to the gain Kp of the pulse width calculation element 12, and the governor control pulse Gp is output through the pulse generator 13.
(Up pulse or down pulse) is output.
【０００４】[0004]
【発明が解決しようとする課題】ところで、不感帯要素
１１の不感帯幅が発電電力指令値の±３％に設定されて
いるとする。この時、発電電力偏差Ｐｅが図５に示すよ
うに不感帯幅の±３％の範囲内にあると、ガバナ制御パ
ルスは出力されないので、図３のガバナ８によるエンジ
ン回転数の調節は行われないことになる。このことは±
３％の発電電力偏差を絶えず含んだ制御しか行えないこ
とを意味している。その結果、最小で９７％となり発電
電力指令値Ｐ* に満たない発電状態が継続したり、最大
で１０３％となり発電電力指令値Ｐ* 以上の発電状態が
継続する場合が生じる。かかる動作は装置の運転効率並
びにエンジンの寿命において問題があった。However, the dead zone element
It is assumed that the dead zone width of No. 11 is set to ± 3% of the generated power command value. At this time, if the generated power deviation Pe falls within the range of ± 3% of the dead zone width as shown in FIG. 5, the governor control pulse is not output, and thus the governor 8 in FIG. 3 does not adjust the engine speed. Will be. This is ±
This means that only control that constantly includes a 3% generated power deviation can be performed. As a result, a power generation state of 97% at the minimum and less than the generated power command value P * may be continued, or a power generation state of 103% at the maximum and the generated power command value P * or more may be continued. Such operation has problems with the operating efficiency of the device and the life of the engine.
【０００５】そこで、±３％の不感帯の設定値を小さく
するか０にすれば発電電力偏差Ｐｅを小さくすることは
可能であるが、ガバナ制御パルスが頻繁に出力されるこ
とになり、ガバナを構成する機械部品の寿命の点で問題
があった。Therefore, it is possible to reduce the generated power deviation Pe by reducing or setting the set value of the dead zone of ± 3% to 0, but the governor control pulse is frequently output, and the governor is controlled. There is a problem in terms of the service life of the constituting mechanical parts.
【０００６】本発明は、上記問題に対処して成されたも
ので、その目的は、ガバナを構成する機械部品の寿命を
考慮していたずらにガバナ制御パルスのパルス数を増や
さずに発電電力の発電電力指令値に対する制御偏差の小
さい発電電力制御装置を提供することにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to increase the number of generated governor control pulses without unnecessarily increasing the number of governor control pulses in consideration of the life of mechanical parts constituting the governor. An object of the present invention is to provide a generated power control device having a small control deviation with respect to a generated power command value.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、他の電力系統と並列運転される自家用発
電機の発電電力を発電電力指令値に追従させるために、
発電電力指令値と発電電力との発電電力偏差を求め、そ
の発電電力偏差が零になるように原動機のガバナを制御
する発電電力制御装置において、前記発電電力偏差を蓄
積しそれに応じた信号を出力する積分要素と、前記発電
電力偏差と比較する不感帯幅を常時変更できるように構
成すると共に変更後の不感帯幅と前記発電電力偏差とを
比較し前記発電電力偏差が不感帯幅を超えたときに前記
発電電力偏差を通過させる不感帯要素と、前記積分要素
で蓄積した発電電力偏差の蓄積量に応じて前記不感帯要
素の不感帯幅をその蓄積量が大きくなると狭める方向に
常時変更調節する不感帯幅演算要素と、前記不感帯要素
を通過した発電電力偏差に応じてガバナ制御パルスのパ
ルス幅を演算し、この演算して求められたガバナ制御パ
ルスでパルス発生器を介して原動機のガバナを制御する
パルス幅演算要素と、前記不感帯要素から発電電力偏差
が通過したときに前記積分要素に蓄積している蓄積量を
リセットする出力判定要素とからなることを特徴とする
ものである。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a method for causing a generated power of a private generator operated in parallel with another power system to follow a generated power command value.
The generated power deviation between the generated power command value and the generated power is determined, and the
Motor governor so that the generated power deviation of the motor becomes zero
In the generated power control device, the generated power deviation is stored.
An integration element for accumulating and outputting a signal corresponding thereto;
The dead band width to be compared with the power deviation can be changed at all times.
And the changed dead band width and the generated power deviation
When the generated power deviation exceeds the dead band width,
A dead band element for passing the generated power deviation, and the integral element
The dead zone width of the dead zone element is reduced in accordance with the accumulated amount of the generated power deviation accumulated in
A dead zone width calculation element that is constantly changed and adjusted, and the dead zone element
Depending on the generated power deviation has passed through calculates the pulse width of the governor control pulse, governor control path determined in this operation
Control the governor of the prime mover via a pulse generator with a pulse generator and a power generation deviation from the dead zone element.
And an output judging element for resetting the amount of accumulation accumulated in the integration element when passing .
【０００８】[0008]
【作用】本発明によると、発電電力偏差が不感帯幅の範
囲内にある場合でも、積分要素に蓄積される発電電力偏
差の積分量が多くなると、その積分量に応じて不感帯幅
を小さくしてガバナ制御パルスの出力を促し、発電電力
偏差を小さくすることができる。また積分要素に蓄積さ
れた発電電力偏差の積分量がそのままでは、すなわち不
感帯幅が小さいままではガバナ制御パルスのパルス数が
増加するので、ガバナ制御パルスの出力に伴い小さくし
た不感帯幅をもとに復元してすなわち、積分要素の積分
量をリセットしてガバナ制御パルスの増加を防ぐことが
できる。According to the present invention, even when the generated power deviation is within the range of the dead zone width, if the integrated amount of the generated power deviation stored in the integral element increases, the dead zone width is reduced according to the integrated amount. The output of the governor control pulse is promoted, and the generated power deviation can be reduced. Also accumulated in the integral element
If the integrated amount of the generated power deviation is kept as it is, that is, if the dead band width is kept small, the number of governor control pulses is increased. And the integration of the integral element
The amount can be reset to prevent an increase in governor control pulses.
【０００９】[0009]
【実施例】本発明の実施例を図を参照して説明する。図
１は本発明の一実施例のブロック構成図であり、既に説
明した図３及び図４の従来例と同一構成部分には同一符
号を付して説明する。同図において、１２はパルス幅演
算要素、１３はパルス発生器、１４は不感帯要素で、従
来と異なる点は、不感帯幅を変えることができるよう構
成している。１５は発電電力偏差Ｐｅを積分ゲインＫｉ
に応じて蓄積する積分要素で、蓄積したものをリセット
できるように構成している。１６は積分要素１５の蓄積
量が多くなるとその蓄積量に応じて不感帯要素１４の不
感帯幅を小さく設定すなわち、不感帯要素の不感帯幅を
その蓄積量が大きくなると狭める方向に常に変更調節
し、蓄積量が少ないときは不感帯幅を従来と同程度の大
きさに設定する不感帯幅演算要素、１７はパルス発生器
１３からのガバナ制御パルスの出力に伴い積分要素１５
の蓄積量を０にリセットする出力判定要素である。An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram of an embodiment of the present invention. The same components as those of the prior art shown in FIGS. 3 and 4 are denoted by the same reference numerals. In the figure, 12 is a pulse width calculation element, 13 is a pulse generator, and 14 is a dead zone element .
The difference is that the dead band width can be changed.
Has formed. Numeral 15 indicates the generated power deviation Pe as an integral gain Ki.
Resets the accumulated element , which accumulates according to
It is configured to be able to. 16 sets the dead band width of the dead band element 14 small according to the stored amount of the integral element 15, that is, sets the dead band width of the dead band element to
Always change and adjust in the direction of narrowing as the accumulated amount increases
When the accumulation amount is small, a dead band width calculating element for setting the dead band width to the same size as the conventional one, and 17 is a pulse generator
Integral element 15 with governor control pulse output from 13
Is an output determination element for resetting the accumulated amount of the data to zero.
【００１０】本実施例は上記のように構成されているの
で、積分要素１５の発電電力偏差Ｐｅの蓄積量が多くな
ると、その蓄積量に応じて不感帯幅演算要素１６により
不感帯要素の不感帯幅を小さくする。そして、発電電力
偏差Ｐｅが不感帯要素の不感帯幅を超えると、発電電力
偏差Ｐｅに応じたガバナ制御パルスのパルス幅をパルス
幅演算要素で演算し、パルス発生器１３を介して発電電
力偏差Ｐｅに応じたパルス幅のガバナ制御パルスをエン
ジン４のガバナ８に出力する。 この時、積分要素１５に
蓄積される発電電力偏差の積分量に応じて不感帯要素１
６の不感帯幅を小さくして、ガバナ制御パルスの発生を
促すので、発電電力の発電電力指令値に対する制御偏差
を小さくでき、しかも、パルス発生器１３から は発電電
力偏差Ｐｅに応じたパルス幅のガバナ制御パルスを発す
るよう構成しているので、１回のパルスで発電機１の発
電電力を発電電力指令値に近づけることができ、ガバナ
を構成する機械部品の寿命も改善できる。また、ガバナ
制御パルスの出力に伴いパルス出力判定要素１７により
積分要素１５の蓄積量をリセットし、不感帯要素１４の
不感帯幅をもとに復元する働きを合わせ持っているの
で、ガバナ制御パルスがいたずらに増加することも防ぐ
ことができる。Since the present embodiment is configured as described above, when the accumulated amount of the generated power deviation Pe of the integral element 15 increases, the dead zone width calculating element 16 responds to the accumulated amount.
Decrease the dead zone width of the dead zone element . And the generated power
When the deviation Pe exceeds the dead zone width of the dead zone element, the generated power
Pulse width of governor control pulse according to deviation Pe
Calculate with the width calculation element, and generate power through the pulse generator 13.
A governor control pulse having a pulse width corresponding to the force deviation Pe is generated.
Output to governor 8 of gin 4. At this time, the integral element 15
Dead zone element 1 according to the integrated amount of accumulated power deviation
6 to reduce the dead band width to reduce the generation of governor control pulses.
Control deviation of the generated power from the generated power command value.
And the pulse generator 13 generates power
Issues a governor control pulse with a pulse width corresponding to the force deviation Pe
The generator 1 is activated by one pulse.
Power can be brought close to the generated power command value,
Can also improve the life of the mechanical parts that make up the device. In addition, the output of the governor control pulse causes
Since the function of resetting the accumulated amount of the integral element 15 and restoring based on the dead zone width of the dead zone element 14 is also provided, it is possible to prevent the governor control pulse from unnecessarily increasing.
【００１１】なお、不感帯要素１４の不感帯幅を演算す
る不感帯幅演算要素１６ならびにガバナ制御パルスのパ
ルス幅を演算するパルス幅演算要素１２に対し、それぞ
れの要素における入出力関係を満たすものであれば、種
々の関数を適用できることははもちろんのこと、パルス
出力判定要素１７による積分要素１５の積分量のリセッ
トについても、ガバナ制御パルスＧｐの出力毎に限ら
ず、数回出力後にリセットとしてもよいことは言うまで
もない。It should be noted that if the dead-band width calculating element 16 for calculating the dead-band width of the dead-band element 14 and the pulse-width calculating element 12 for calculating the pulse width of the governor control pulse satisfy the input / output relationship of each element. It goes without saying that various functions can be applied, and the reset of the integration amount of the integration element 15 by the pulse output determination element 17 is not limited to every output of the governor control pulse Gp, but may be reset after several outputs. Needless to say.
【００１２】図２は本発明の他の実施例のブロック構成
図である。本実施例において、図１の実施例と同一構成
部分には同一符号を付して説明する。同図において、１
３はパルス発生器、１４は不感帯幅を変えることができ
る不感帯要素、１５は発電電力偏差Ｐｅを積分ゲインＫ
ｉに応じて蓄積する積分要素、１７はガバナ制御パルス
が出力されると積分要素１５の蓄積量を０にリセットす
るパルス出力判定要素、１８はファジィ推論にて不感帯
幅を演算するファジィ不感帯幅演算器、１９はファジィ
推論にてパルス幅を演算するファジィパルス幅演算器で
ある。FIG. 2 is a block diagram showing another embodiment of the present invention. In this embodiment, the same components as those in the embodiment of FIG. In the figure, 1
3 is a pulse generator, 14 is a dead zone element capable of changing the dead zone width, and 15 is an integrated gain K
Integral element that accumulates according to i, 17 is a pulse output determination element that resets the accumulation amount of the integral element 15 to 0 when a governor control pulse is output, and 18 is a fuzzy dead band width calculation that calculates a dead band width by fuzzy inference. A fuzzy pulse width calculator 19 calculates a pulse width by fuzzy inference.
【００１３】本実施例における不感帯要素１４の不感帯
幅の調節は、発電電力偏差Ｐｅを積分ゲインＫｉに応じ
て蓄積する積分要素１５と、この積分要素１５の出力を
もとにファジィ推論により不感帯幅を演算するファジイ
不感帯幅演算器１８によって成される。ファジィ推論に
よる不感帯幅の演算は、発電電力偏差Ｐｅの蓄積量が多
くなると不感帯要素１５の不感帯幅を小さく設定し、蓄
積量が少ないときは不感帯幅を従来と同程度の大きさに
設定するという点において、図１の実施例の不感帯幅演
算要素１６と同じ動作をするが、その不感帯幅の推論
（演算）が発電電力偏差Ｐｅの蓄積量を入力、不感帯幅
を出力として定義したメンバシップ関数ならびに制御ル
ールにより行われるという点で異なる。また、ファジィ
パルス幅演算器１９におけるファジィ推論は、安定でオ
ーバーシュートの少ない発電電力制御を得ることを目的
としており、その推論は、ファジィ不感帯幅演算器１８
で決定した不感帯幅に設定された不感帯要素１４を発電
電力偏差Ｐｅが通過する事により得られる信号を入力、
ガバナ制御パルス幅を出力としてプラント（自家用発電
装置）の特性に合わせて定義したメンバシップ関数なら
びに制御ルールにより行われる。In the present embodiment, the dead zone width of the dead zone element 14 is adjusted by integrating the generated power deviation Pe according to the integral gain Ki and the dead zone width by fuzzy inference based on the output of the integral element 15. Is calculated by a fuzzy dead zone width calculator 18 which calculates The calculation of the dead band width by fuzzy inference is to set the dead band width of the dead band element 15 small when the accumulated amount of the generated power deviation Pe is large, and to set the dead band width to the same size as the conventional case when the accumulated amount is small. In this respect, the operation is the same as that of the dead-band width calculating element 16 in the embodiment of FIG. 1, but the inference (calculation) of the dead-band width is a membership function in which the accumulated amount of the generated power deviation Pe is input and the dead-band width is defined as an output. It differs in that it is performed according to control rules. The fuzzy inference in the fuzzy pulse width calculator 19 is intended to obtain stable power generation control with less overshoot, and the inference is based on the fuzzy dead band calculator 18.
A signal obtained by passing the generated power deviation Pe through the dead zone element 14 set to the dead zone width determined in
The governor control pulse width is output using a membership function and a control rule defined according to the characteristics of the plant (private power generator) as an output.
【００１４】本実施例は上記のように構成されているの
で、図１の実施例の効果に併せて、ファジィ推論の柔軟
な特質を利用してプラントのより安定な運転を可能とす
るものである。Since the present embodiment is configured as described above, in addition to the effect of the embodiment of FIG. 1, the plant can be operated more stably by utilizing the flexible characteristic of fuzzy inference. is there.
【００１５】[0015]
【発明の効果】以上説明したように、本発明によれば、
発電電力偏差と比較する不感帯要素の不感帯幅を積分要
素で積分して得られる発電電力偏差の積分量に応じて変
更調節すると共に、発電電力偏差が不感帯幅を超えた時
に発電電力偏差に応じたパルス幅のガバナ制御パルスで
ガバナを制御し、ガバナ制御パルスの発生時に積分要素
の積分量をリセットするように構成したので、応答よ
く、しかもガバナ制御パルスのパルス数をいたずらに増
やさず発電電力の発電電力指令値に対する制御偏差を小
さくすることができる、というすぐれた効果を奏する。As described above, according to the present invention,
Integration of dead band width of dead band element to be compared with generated power deviation
Variable according to the amount of integration of the generated power deviation obtained by
When the generated power deviation exceeds the dead band width,
Governor control pulse with pulse width corresponding to generated power deviation
Controls the governor and integrates the governor control pulse
Is configured to reset the integral of
In addition, the control deviation of the generated power from the generated power command value can be reduced without unnecessarily increasing the number of governor control pulses.
【図１】本発明の一実施例のブロック構成図。FIG. 1 is a block diagram of an embodiment of the present invention.
【図２】本発明の他の実施例のブロック構成図。FIG. 2 is a block diagram of another embodiment of the present invention.
【図３】従来の自家用発電装置のブロック構成図。FIG. 3 is a block diagram of a conventional private power generator.
【図４】従来の発電電力制御装置のブロック構成図。FIG. 4 is a block diagram of a conventional generated power control device.
【図５】発電電力偏差の状態を表した図。FIG. 5 is a diagram showing a state of a generated power deviation.
１…発電機、２…商用系統、３…他の自家用発電装置、
４…エンジン、５…発電電力指令値設定器、６…電力検
出器、７…発電電力制御装置、８…ガバナ、９…遮断
器、１０…負荷、１１…不感帯幅固定の不感帯要素、１
２…パルス幅演算要素、１３…パルス発生器、１４…不
感帯幅可変の不感帯要素、１５…積分要素、１６…不感
帯幅演算要素、１７…パルス出力判定要素、１８…ファ
ジィ不感帯演算器、１９…ファジィパルス幅演算器。1 ... generator, 2 ... commercial system, 3 ... other private power generator,
Reference numeral 4 denotes an engine, 5 denotes a generated power command value setting device, 6 denotes a power detector, 7 denotes a generated power control device, 8 denotes a governor, 9 denotes a circuit breaker, 10 denotes a load, 11 denotes a dead zone element having a fixed dead zone width, 1
2 ... Pulse width calculation element, 13 ... Pulse generator, 14 ... Variable dead band element, 15 ... Integral element, 16 ... Dead band width calculation element, 17 ... Pulse output determination element, 18 ... Fuzzy dead band calculator, 19 ... Fuzzy pulse width calculator.
フロントページの続き (56)参考文献 特開 平２−307397（ＪＰ，Ａ) 特開 平４−4729（ＪＰ，Ａ) 特開 昭59−35535（ＪＰ，Ａ) 特開 平１−295699（ＪＰ，Ａ) 特開 昭58−36197（ＪＰ，Ａ) 特開 昭57−211998（ＪＰ，Ａ)Continuation of the front page (56) References JP-A-2-307397 (JP, A) JP-A-4-4729 (JP, A) JP-A-59-35535 (JP, A) JP-A-1-295699 (JP) , A) JP-A-58-36197 (JP, A) JP-A-57-211998 (JP, A)
Claims (1)
電機の発電電力を発電電力指令値に追従させるために、
発電電力指令値と発電電力との発電電力偏差を求め、そ
の発電電力偏差が零になるように原動機のガバナを制御
する発電電力制御装置において、前記発電電力偏差を蓄
積しそれに応じた信号を出力する積分要素と、前記発電
電力偏差と比較する不感帯幅を常時変更できるように構
成すると共に変更後の不感帯幅と前記発電電力偏差とを
比較し前記発電電力偏差が不感帯幅を超えたときに前記
発電電力偏差を通過させる不感帯要素と、前記積分要素
で蓄積した発電電力偏差の蓄積量に応じて前記不感帯要
素の不感帯幅をその蓄積量が大きくなると狭める方向に
常時変更調節する不感帯幅演算要素と、前記不感帯要素
を通過した発電電力偏差に応じてガバナ制御パルスのパ
ルス幅を演算し、この演算して求められたガバナ制御パ
ルスでパルス発生器を介して原動機のガバナを制御する
パルス幅演算要素と、前記不感帯要素から発電電力偏差
が通過したときに前記積分要素に蓄積している蓄積量を
リセットする出力判定要素とからなることを特徴とする
発電電力制御装置。In order to make the generated power of a private generator operated in parallel with another power system follow a generated power command value,
The generated power deviation between the generated power command value and the generated power is determined, and the
Motor governor so that the generated power deviation of the motor becomes zero
In the generated power control device, the generated power deviation is stored.
An integration element for accumulating and outputting a signal corresponding thereto;
The dead band width to be compared with the power deviation can be changed at all times.
And the changed dead band width and the generated power deviation
When the generated power deviation exceeds the dead band width,
A dead band element for passing the generated power deviation, and the integral element
The dead zone width of the dead zone element is reduced in accordance with the accumulated amount of the generated power deviation accumulated in
A dead zone width calculation element that is constantly changed and adjusted, and the dead zone element
Depending on the generated power deviation has passed through calculates the pulse width of the governor control pulse, governor control path determined in this operation
Control the governor of the prime mover via a pulse generator with a pulse generator and a power generation deviation from the dead zone element.
And an output determination element for resetting the amount of accumulation accumulated in the integration element when the power has passed .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4016565A JP2640596B2 (en) | 1992-01-31 | 1992-01-31 | Power generation control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4016565A JP2640596B2 (en) | 1992-01-31 | 1992-01-31 | Power generation control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05211799A JPH05211799A (en) | 1993-08-20 |
| JP2640596B2 true JP2640596B2 (en) | 1997-08-13 |
Family
ID=11919814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4016565A Expired - Fee Related JP2640596B2 (en) | 1992-01-31 | 1992-01-31 | Power generation control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2640596B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006094629A (en) * | 2004-09-24 | 2006-04-06 | Toshiba Mitsubishi-Electric Industrial System Corp | Semiconductor power conversion device and its control method |
| JP4607617B2 (en) * | 2005-02-15 | 2011-01-05 | 東芝三菱電機産業システム株式会社 | Control device for power converter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57211998A (en) * | 1981-06-24 | 1982-12-25 | Toshiba Corp | Generated output controller |
| JPS5836197A (en) * | 1981-08-28 | 1983-03-03 | Toshiba Corp | Generating output controller |
| JPS5935535A (en) * | 1982-08-24 | 1984-02-27 | ヤンマーディーゼル株式会社 | Induction generator for driving internal combustion engine |
| JPH02307397A (en) * | 1989-05-18 | 1990-12-20 | Mitsubishi Electric Corp | Frequency controller for ac generator |
| JP3038225B2 (en) * | 1990-04-19 | 2000-05-08 | 北海道旅客鉄道株式会社 | Reverse power flow prevention device for grid-connected power generator |
-
1992
- 1992-01-31 JP JP4016565A patent/JP2640596B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05211799A (en) | 1993-08-20 |
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