JPS631825B2 - - Google Patents
Info
- Publication number
- JPS631825B2 JPS631825B2 JP55162489A JP16248980A JPS631825B2 JP S631825 B2 JPS631825 B2 JP S631825B2 JP 55162489 A JP55162489 A JP 55162489A JP 16248980 A JP16248980 A JP 16248980A JP S631825 B2 JPS631825 B2 JP S631825B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- generator
- current
- storage battery
- voltage
- 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
Links
- 238000000034 method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 1
Description
【発明の詳細な説明】
本発明は発電機の出力で蓄電池を充電するとと
もに上記発電機および蓄電池の出力で電動機等の
負荷を駆動する蓄電池の充電制御方式に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a storage battery charging control system that charges a storage battery using the output of a generator and drives a load such as a motor using the outputs of the generator and storage battery.
従来、この種の蓄電池の充電制御方式として
は、発電機の出力電圧の検出値をフイードバツク
信号として基準値と比較し、電圧調節器で発電機
の出力電圧を制御する制御ループを主制御ループ
とするとともに、発電機の出力電流の検出値をフ
イードバツク信号として上記電圧調節器の出力と
比較し、電流調節器で発電機の出力電流を制御す
る制御ループをマイナループとするものが知られ
ている。 Conventionally, as a charging control method for this type of storage battery, the detected value of the output voltage of the generator is compared with a reference value as a feedback signal, and the main control loop is a control loop that controls the output voltage of the generator using a voltage regulator. In addition, it is known that the detected value of the output current of the generator is used as a feedback signal to compare with the output of the voltage regulator, and the control loop for controlling the output current of the generator with the current regulator is a minor loop.
上記のような蓄電池の充電制御方式において
は、発電機の出力電圧VGが蓄電池VBの出力電圧
VBよりも小さく、蓄電池への充電を行わないス
タンド・バイ状態から、発電機の出力電圧VGを
高くして蓄電池への充電を行う過程において、次
に述べるように、電流調節器の動作が問題とな
る。 In the storage battery charging control method described above, the generator output voltage V G is equal to the output voltage of the storage battery V B.
In the process of increasing the output voltage V G of the generator to charge the storage battery from a standby state where the voltage is smaller than V B and the storage battery is not charged, the current regulator operates as described below. becomes a problem.
即ち、上記電流調節器はPI調節機能を有し、
上記のスタンド・バイ状態では、発電機から蓄電
池へ流れる充電々流は零であるため、上記マイナ
ループはオープンループ状態となり、上記電流調
節器のPI増巾器は砲和状態となる。 That is, the current regulator has a PI adjustment function,
In the stand-by state, the current of charge flowing from the generator to the storage battery is zero, so the minor loop becomes an open loop state, and the PI amplifier of the current regulator becomes a summation state.
このため、上記のスタンド・バイ状態では、発
電機に対する制御動作が不安定となるとともに、
スタンド・バイ状態から蓄電池の充電状態への移
行時に過渡動作を伴う問題があつた。 Therefore, in the above stand-by state, the control operation for the generator becomes unstable, and
There was a problem with transient operation when transitioning from the standby state to the battery charging state.
本発明は従来の蓄電池の充電制御方式における
上記問題を解消すべくなされたものであつて、発
電機の出力電流の有無を検出するコンパレータ
と、該コンパレータの出力により駆動されるリレ
ー回路とを設け、該リレー回路により発電機の出
力電流が零のときに電圧調節器の出力を発電機の
出力電圧を調節するための界磁調整回路に入力す
ることにより、蓄電池の充電を行わないスタン
ド・バイ状態では電圧調節器のみによる制御とし
て、充電の制御の安定性とスタンド・バイ時から
充電状態への移行時の制御精度を高めた蓄電池の
充電制御方式を提供することを目的としている。 The present invention has been made to solve the above-mentioned problems in conventional storage battery charging control systems, and includes a comparator that detects the presence or absence of output current of a generator, and a relay circuit driven by the output of the comparator. By inputting the output of the voltage regulator to the field adjustment circuit for adjusting the output voltage of the generator when the output current of the generator is zero by the relay circuit, it is possible to perform stand-by mode in which the storage battery is not charged. The purpose of the present invention is to provide a storage battery charging control method that uses only a voltage regulator to improve charging control stability and control accuracy when transitioning from standby to charging state.
以下、本発明の実施例を示す図面を参照して本
発明を詳細に説明する。 DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to drawings showing embodiments of the invention.
第１図において、１はエンジン（図示せず。）
等によつて駆動される交流発電機、２は該交流発
電機１の出力を整流する整流装置、３は該整流装
置２の整流出力により充電される蓄電池、４は該
蓄電池３の負荷としての発電機であつて、これら
交流発電機１、整流装置２、蓄電池３および電動
機４は例えば船舶の電気推進システムを構成して
いる。 In Fig. 1, 1 is an engine (not shown).
2 is a rectifier that rectifies the output of the alternator 1, 3 is a storage battery that is charged by the rectified output of the rectifier 2, and 4 is a load for the storage battery 3. The alternating current generator 1, the rectifier 2, the storage battery 3, and the electric motor 4 constitute, for example, an electric propulsion system for a ship.
上記交流発電機１の出力電圧は、絶縁変換器５
で検出して加合せ点６にフイードバツクし、該加
合せ点６で電圧設定器７の出力と上記絶縁変換器
５で検出した交流発電機１の出力電圧とを比較
し、その出力を電圧調節器８に入力している。 The output voltage of the alternating current generator 1 is determined by the insulation converter 5
The output voltage of the alternating current generator 1 detected by the insulation converter 5 is compared with the output voltage of the voltage setting device 7 at the summing point 6, and the output voltage is adjusted. is being input to device 8.
一方、整流装置２から蓄電池３に流れる充電々
流IGは電流検出器９で検出し、その出力をいま一
つの加合せ点１０にフイードバツクし、該加合せ
点１０において上記電圧設定器７の出力と上記電
流検出器９による充電々流IGの検出値とを比較し
てその出力を電流調節器１１に入力し、該電流調
節器１１の出力で交流発電機１の界磁調整回路と
してのチヨツパ回路１２を制御して交流発電機１
の界磁電流を変化させ、上記交流発電機１の出力
電圧を制御している。 On the other hand, the charging current I G flowing from the rectifier 2 to the storage battery 3 is detected by the current detector 9, and its output is fed back to another summing point 10, and at the summing point 10, the voltage setting device 7 is activated. The output is compared with the detected value of the charging current I G by the current detector 9, and the output is inputted to the current regulator 11, and the output of the current regulator 11 is used as the field adjustment circuit of the alternator 1. AC generator 1 by controlling the chopper circuit 12 of
The output voltage of the alternating current generator 1 is controlled by changing the field current.
本発明においては、上記電流検出器９の出力に
より、整流装置２から蓄電池３へ流れる充電々流
IGの有無を検出するコンパレータ１３と、上記充
電々流IGが零のときに上記コンパレータ１３によ
り駆動コイルＸが付勢されるリレー１４を設けて
いる。 In the present invention, a charging current flows from the rectifier 2 to the storage battery 3 based on the output of the current detector 9.
A comparator 13 detects the presence or absence of I G , and a relay 14 is provided in which the drive coil X is energized by the comparator 13 when the charging current I G is zero.
上記リレー１４の常開接点Ｘ−a1は電圧調節器
８とチヨツパ回路１２との間に接続する一方、い
ま一つの常開接点Ｘ−a2は後述する加合せ点１５
との間に接続している。 The normally open contact X-a 1 of the relay 14 is connected between the voltage regulator 8 and the chopper circuit 12, while the other normally open contact X-a 2 is connected to the summing point 15 which will be described later.
is connected between.
上記リレー１４の常閉接点Ｘ−b1は電圧調節器
８と加合せ点１０との間に接続する一方、いま一
つの常閉接点Ｘ−b2は電流調節器１１とチヨツパ
回路１２との間に接続している。 The normally closed contact X-b 1 of the relay 14 is connected between the voltage regulator 8 and the summing point 10, while the other normally closed contact X-b 2 is connected between the current regulator 11 and the chopper circuit 12. connected between.
なお、上記第１図において、加合せ点１５は、
整流装置２から蓄電池３への充電々流IGが零とな
つてリレー１４の駆動コイルＸが付勢されたとき
に、増巾器１６により検出した電流調節器１１の
出力とアース電位とを比較し、その出力を電流調
節器１１に入力して、上記充電々流IGが零のとき
に上記電流調節器１１の出力をアース電位に保持
させるためのものである。 In addition, in the above-mentioned FIG. 1, the addition point 15 is
When the charging current I G from the rectifier 2 to the storage battery 3 becomes zero and the drive coil X of the relay 14 is energized, the output of the current regulator 11 detected by the amplifier 16 and the ground potential are This is for comparing and inputting the output to the current regulator 11 to maintain the output of the current regulator 11 at ground potential when the charging current IG is zero.
また、上記第１図において、１７は蓄電池３に
充電を行わないスタンド・バイ時に、電圧設定器
７に接続した抵抗１８の両端を短絡して、電圧設
定器７の設定変更を行うためのスイツチ、１９，
１９は整流装置２と蓄電池３との間に設けたブレ
ーカ、SWは電動機４の電源スイツチである。 Further, in FIG. 1 above, 17 is a switch for changing the setting of the voltage setting device 7 by shorting both ends of the resistor 18 connected to the voltage setting device 7 during standby mode when the storage battery 3 is not being charged. ,19,
19 is a breaker provided between the rectifier 2 and the storage battery 3, and SW is a power switch for the electric motor 4.
次に動作を説明する。 Next, the operation will be explained.
今、第２図イおよびロに夫々示すように、充電
を停止するため、時刻t1でスイツチをオンとする
とともに電圧設定器７の設定出力を下げて行く
と、第２図ニおよびホに夫々示すように、交流発
電機１の出力電圧VGおよび充電々流IGが小さくな
る。 Now, as shown in Figure 2 A and B, respectively, in order to stop charging, turn on the switch at time t 1 and lower the set output of the voltage setting device 7. As shown, the output voltage V G and charging current I G of the alternator 1 become smaller.
時刻t2で、VGVBとなると、上記充電々流IGは
零となり、第２図ハに示すように、コンパレータ
１３の出力は“High”レベルとなつてリレー１
４の駆動コイルＸが付勢される。 At time t2 , when V G V B is reached, the above-mentioned charging current I G becomes zero, and as shown in Fig. 2 C, the output of the comparator 13 becomes "High" level and the relay 1
No. 4 drive coil X is energized.
このため、上記リレー１４の常開接点Ｘ−a1，
Ｘ−a2は夫々オンし、常閉接点Ｘ−b1，Ｘ−b2が
オフし、電圧調節器８の出力は直後、チヨツパ回
路１２に接続されるとともに、加合せ点１０およ
び電流調節器１１は夫々電圧調節器８およびチヨ
ツパ回路１２から切り離される。 Therefore, the normally open contacts X-a 1 of the relay 14,
X-a 2 are each turned on, normally closed contacts X-b 1 and X-b 2 are turned off, and the output of voltage regulator 8 is immediately connected to chopper circuit 12, as well as summing point 10 and current adjustment. voltage regulator 8 and chopper circuit 12, respectively.
従つて、交流発電機１は、絶縁変換器５、加合
せ点６、電圧調節器８およびチヨツパ回路１２の
ループで制御されることになり、IG＝０となつて
電流調節器１１のフイードバツク信号が無くなつ
てオープンループとなつても、交流発電機１の制
御が不安定となることはない。 Therefore, the alternator 1 is controlled by a loop of the isolation converter 5, the summing point 6, the voltage regulator 8, and the chopper circuit 12, so that I G =0 and the feedback of the current regulator 11 is Even if the signal is lost and the circuit becomes open loop, the control of the alternator 1 will not become unstable.
なお、上記のスタンド・バイ時には、電流調節
器１１は、増巾器１６および加合せ点１５の働き
により、アース電位に保持される。 Incidentally, during the above-mentioned stand-by, the current regulator 11 is maintained at the ground potential by the action of the amplifier 16 and the summing point 15.
次に、時刻t3で、第２図ニに示すように、交流
発電機１の出力電圧VGが一定となり、スタン
ド・バイの状態で待機した後、時刻t4でスイツチ
１７をオフとするとともに、電圧設定器７の設定
値を大きくすると、第２図ニに示すように、上記
出力電圧VGが大きくなる。 Next, at time t3 , the output voltage VG of the alternator 1 becomes constant as shown in FIG. 2D, and after waiting in a standby state, the switch 17 is turned off at time t4. At the same time, when the setting value of the voltage setting device 7 is increased, the output voltage V G becomes larger, as shown in FIG. 2D.
時刻t5でVGVBとなると、第２図ホに示すよ
うに、充電々流IGが流れ始めるため、コンパレー
タ１３はリレー１４を消勢する（第２図ハ参照）。 When V G V B is reached at time t 5 , the charging current I G begins to flow as shown in FIG. 2 E, so the comparator 13 deenergizes the relay 14 (see FIG. 2 C).
このため、上記リレー１４の常開接点Ｘ−a1，
Ｘ−a2はオフし、常閉接点Ｘ−b1，Ｘ−b2はオン
し、加合せ点１０および電流調節器１１は夫々電
圧調節器８およびチヨツパ回路１２に接続され、
交流発電機１は電圧調節器８および電流調節器１
１により、通常の運転が行われることになる。 Therefore, the normally open contacts X-a 1 of the relay 14,
X-a 2 is off, normally closed contacts X-b 1 and X-b 2 are on, summing point 10 and current regulator 11 are connected to voltage regulator 8 and chopper circuit 12, respectively,
The alternator 1 has a voltage regulator 8 and a current regulator 1.
1, normal operation will be performed.
上記電流調節器１１の出力は、スタンド・バイ
時にアース電位に保持されているため、上記のよ
うに、VGVBとなつてリレー１４が消勢され、
チヨツパ回路１２が電圧調節器８から電流調節器
１１に接続されても、交流発電機１の出力電圧
VGに過渡的な変化が生じることはない。 Since the output of the current regulator 11 is held at the ground potential during standby, it becomes V G V B as described above, and the relay 14 is deenergized.
Even if the chopper circuit 12 is connected from the voltage regulator 8 to the current regulator 11, the output voltage of the alternator 1
No transient changes occur in V G.
時刻t6で電圧設定器７の設定値を一定とすれ
ば、以後、上記の通常の運転が続行される。 If the set value of the voltage setting device 7 is kept constant at time t6 , the above-mentioned normal operation is continued thereafter.
以上、詳細に説明したことからも明らかなよう
に、本発明は、蓄電池の充電を行わないスタン
ド・バイ状態では電圧調節器のみによる発電機の
制御を行うようにしたから、充電々流が零となつ
て電流調節器のフイードバツク信号が無くなつて
も、発電機を安定に制御することができる。 As is clear from the detailed explanation above, in the present invention, the generator is controlled only by the voltage regulator in the standby state when the storage battery is not being charged, so that the charging current is zero. Therefore, even if the feedback signal of the current regulator is lost, the generator can be stably controlled.
また、スタンド・バイ時に電流調節器の出力を
アース電位に保持するようにすれば、電流調節器
の出力が発電機の出力電圧の調節回路に接続され
たときにも発電機が過渡動作することもなく、高
い精度で制御される。 Additionally, if the output of the current regulator is held at ground potential during standby, the generator will not operate transiently even when the output of the current regulator is connected to the generator's output voltage regulation circuit. It is controlled with high precision.
なお、本発明は、発電機等の出力で蓄電池を充
電し、これら発電機および充電池により負荷を駆
動するシステムに広く適用することができる。 Note that the present invention can be widely applied to systems in which a storage battery is charged with the output of a generator or the like, and a load is driven by the generator and the rechargeable battery.
また、上記発電機は一般の交流電源であつても
よい。 Further, the generator may be a general AC power source.
第１図は本発明に係る蓄電池の充電制御方式の
一実施例のブロツク図、第２図イからホは夫々第
１図の動作を説明するためのブロツク図である。
１……交流発電機、２……整流装置、３……蓄
電池、４……電動機、８……電圧調節器、１１…
…電圧調節器、１２……チヨツパ回路、１３……
コンパレータ、１４……リレー。
FIG. 1 is a block diagram of an embodiment of a storage battery charging control system according to the present invention, and FIG. 2 A to H are block diagrams for explaining the operation of FIG. 1, respectively. 1... AC generator, 2... Rectifier, 3... Storage battery, 4... Electric motor, 8... Voltage regulator, 11...
...Voltage regulator, 12... Chopper circuit, 13...
Comparator, 14...Relay.
Claims (1)
上記発電機および蓄電池の出力で負荷に給電を行
う蓄電池の充電制御方式において、発電機の出力
電圧の検出値を基準信号と比較して電流指令信号
を発生する電圧調節器と、該電圧調節器から与え
られる電流指令信号と上記発電機の出力電流値の
検出値とを比較して界磁調整回路に界磁電流指令
信号を与える電流調節器と、発電機の上記出力電
流の有無を検出するコンパレータと、該コンパレ
ータの出力により駆動されるリレー回路とを設
け、該リレー回路により発電機の出力電流が零の
ときに上記電圧調節器の出力を発電機の界磁調整
回路に入力するようにしたことを特徴とする蓄電
池の充電制御方式。1 In addition to charging the storage battery with the output of the generator,
In the storage battery charging control method that supplies power to a load using the output of the generator and the storage battery, the voltage regulator generates a current command signal by comparing a detected value of the output voltage of the generator with a reference signal; A current regulator that provides a field current command signal to the field adjustment circuit by comparing a current command signal given from the generator with a detected value of the output current value of the generator, and detects the presence or absence of the output current of the generator. A comparator and a relay circuit driven by the output of the comparator are provided, and the relay circuit inputs the output of the voltage regulator to the field adjustment circuit of the generator when the output current of the generator is zero. A storage battery charging control method characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55162489A JPS5785536A (en) | 1980-11-17 | 1980-11-17 | Charge control system for storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55162489A JPS5785536A (en) | 1980-11-17 | 1980-11-17 | Charge control system for storage battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5785536A JPS5785536A (en) | 1982-05-28 |
| JPS631825B2 true JPS631825B2 (en) | 1988-01-14 |
Family
ID=15755580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55162489A Granted JPS5785536A (en) | 1980-11-17 | 1980-11-17 | Charge control system for storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5785536A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0333709Y2 (en) * | 1987-10-06 | 1991-07-17 | ||
| JPH0648584A (en) * | 1991-01-30 | 1994-02-22 | Xerox Corp | Insertion tray for paper feeder |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6349642B2 (en) * | 2013-08-01 | 2018-07-04 | 富士電機株式会社 | Electric propulsion system power generation control device |
-
1980
- 1980-11-17 JP JP55162489A patent/JPS5785536A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0333709Y2 (en) * | 1987-10-06 | 1991-07-17 | ||
| JPH0648584A (en) * | 1991-01-30 | 1994-02-22 | Xerox Corp | Insertion tray for paper feeder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5785536A (en) | 1982-05-28 |
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