JPH0638385A - Load switching device non-utility engine generator facility - Google Patents
Load switching device non-utility engine generator facilityInfo
- Publication number
- JPH0638385A JPH0638385A JP4213664A JP21366492A JPH0638385A JP H0638385 A JPH0638385 A JP H0638385A JP 4213664 A JP4213664 A JP 4213664A JP 21366492 A JP21366492 A JP 21366492A JP H0638385 A JPH0638385 A JP H0638385A
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- Prior art keywords
- load
- commercial
- private
- value
- power supply
- Prior art date
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、コージェネレーショ
ン装置やエンジン発電機等の比較的に小型の自家用エン
ジン発電設備の電力負荷を切替える装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for switching a power load of a relatively small private engine power generation facility such as a cogeneration system or an engine generator.
【０００２】[0002]
【従来の技術】一般に、この種の小型の自家用エンジン
発電設備には、複数の給電路を介してエアコン・調理器・
ポンプ等の負荷やコンセント負荷が接続されている。そ
して、これら複数の負荷の負荷量の合計値は、上記エン
ジン発電設備の最大出力以下の値に設定されている。2. Description of the Related Art Generally, this type of small-sized private engine power generation equipment has an air conditioner, a cooker, and
A load such as a pump or an outlet load is connected. Then, the total value of the load amounts of the plurality of loads is set to a value equal to or less than the maximum output of the engine power generation equipment.
【０００３】[0003]
【発明が解決しようとする課題】ところで、上記エアコ
ンや調理器等の負荷は連続して稼動する負荷でないうえ
上記コンセント負荷も必要に応じて使用される負荷であ
る。このため、小型の自家用エンジン発電設備では、通
常では、最大出力に対する運転出力の割合が50から70％
程度しか得られず、総合効率が低い。本発明は、自家用
エンジン発電設備の総合効率を向上することを目的とす
る。By the way, the load of the air conditioner, the cooking device, etc. is not a load that operates continuously, and the outlet load is a load that is used as necessary. For this reason, in small private-use engine generators, the ratio of operating output to maximum output is usually 50 to 70%.
Only a small degree can be obtained and overall efficiency is low. An object of the present invention is to improve the overall efficiency of a private engine power generation facility.
【０００４】[0004]
【課題を解決するための手段】本発明は、上記目的を達
成するために、例えば図１に示すように、次のように構
成した。自家用エンジン発電設備１を自家発側給電路２
を介して自家発側負荷３に接続すると共に、商用電源設
備５を少なくとも一つの商用側給電路６・７・８を介して
少なくとも一つの商用側負荷１１・１２・１３に接続し、
上記の商用側負荷１１・１２・１３を上記の２つの設備１
・５に選択的に接続する切替器１６・１７・１８を上記の
自家発側給電路２と上記の商用側給電路６・７・８とにわ
たって設けて、その商用側負荷１１・１２・１３の負荷量
の合計値を上記の自家発側負荷３の最大負荷量Ｔ以下の
値に設定し、上記の自家発側給電路２に、自家発側負荷
３の運転負荷量Ｑ0を検出する負荷検出装置２１を設け
て、その負荷検出装置２１を制御装置２２を介して上記
の切替器１６・１７・１８に接続し、上記の制御装置２２
は、上記の最大負荷量Ｔから上記の運転負荷量Ｑ0を差
引いた値Ｍが設定値Ｖ未満となった場合に上記の切替器
１６・１７・１８を全て商用側へ切替え接続するのに対し
て、上記差引いた値Ｍが設定値Ｖと偏差値ΔＶとの合計
値以上となった場合にその差し引いた値Ｍの範囲内で商
用側負荷１１・１２・１３に対応する前記の切替器１６・
１７・１８を自家発側へ切替え接続するように構成し、
上記の偏差値ΔＶを、上記の商用側負荷１１・１２・１
３の負荷量のうちの最も小さい負荷量よりも小さい範囲
に設定したものである。In order to achieve the above object, the present invention has the following structure, for example, as shown in FIG. The private engine power generation facility 1 is connected to the private power supply side power supply line 2
Is connected to the in-house generated load 3 via the commercial power supply facility 5 and is connected to at least one commercial load 11.12.13 via at least one commercial power supply line 6.7.8.
The commercial side loads 11, 12, and 13 are used as the above two facilities 1
・ Switches 16, 17, and 18 selectively connected to 5 are provided across the above-mentioned private power supply side power supply path 2 and the above-mentioned commercial power supply path 6.7.8, and their commercial side loads 11.12.13. Is set to a value equal to or less than the maximum load amount T of the self-generated side load 3 and the operating load amount Q 0 of the self-generated side load 3 is detected in the above-mentioned self-generated side power supply path 2. A load detection device 21 is provided, and the load detection device 21 is connected to the switching devices 16, 17, and 18 via the control device 22.
When the value M obtained by subtracting the operating load amount Q 0 from the maximum load amount T is less than the set value V, all the switching devices 16, 17, 18 are switched to the commercial side and connected. On the other hand, when the subtracted value M is equal to or more than the total value of the set value V and the deviation value ΔV, the switch corresponding to the commercial load 11, 12, 13 within the range of the subtracted value M 16.
Configured so that 17 and 18 can be switched and connected to the home side,
The above deviation value ΔV is used as the commercial load 11.12.1
The load amount is set to a range smaller than the smallest load amount among the load amounts of No. 3.
【０００５】[0005]
【作用】本発明は、例えば図１に示すように、次のよう
に作用する。自家発側負荷３の運転負荷量Ｑ0がＰ1以上
でＰ0(最大負荷量Ｔ)以下の場合には、その最大負荷量
Ｔから運転負荷量Ｑ0を差し引いた値Ｍが設定値Ｖ未満
となるので、全ての切替器１６・１７・１８が商用側へ切
替えられる。これにより、商用電源設備５に商用側負荷
１１・１２・１３が付加され、自家用エンジン発電設備１
の運転出力Ｅは、上記の運転負荷量Ｑ0に追従して、斜
線Ａで示すように変化する。The present invention operates as follows, for example, as shown in FIG. When the operating load Q 0 of the private load 3 is P 1 or more and P 0 (maximum load T) or less, the value M obtained by subtracting the operating load Q 0 from the maximum load T is the set value V. Since it is less than this, all the switches 16, 17, and 18 are switched to the commercial side. As a result, commercial-side loads 11, 12, and 13 are added to the commercial power supply facility 5, and the private-use engine power generation facility 1
The operating output E of the following changes in accordance with the operating load amount Q 0 described above as indicated by the diagonal line A.
【０００６】上記の運転負荷量Ｑ0が低下していき、Ｐ1
から偏差値ΔＶを差引いた値であるＰ2になるまでは、
上記と同様に、自家用エンジン発電設備１の運転出力Ｅ
は、前記の斜線Ａで示すように変化する。しかし、その運
転負荷量Ｑ0がＰ2未満になると、前記の差し引いた値Ｍ
が設定値Ｖと偏差値ΔＶとの合計値以上となるので、そ
の差引いた値Ｍの範囲内で商用側負荷１１・１２・１３に
対応する前記の切替器１６・１７・１８が自家発側へ切替
え接続される。The above operating load Q 0 decreases and P 1
Until P 2 which is the value obtained by subtracting the deviation value ΔV from
Similar to the above, the operation output E of the private engine power generation facility 1
Changes as indicated by the diagonal line A above. However, when the operating load Q 0 becomes less than P 2 , the subtracted value M
Is greater than or equal to the total value of the set value V and the deviation value ΔV, the switching devices 16, 17, and 18 corresponding to the commercial loads 11, 12, and 13 are within the range of the subtracted value M. Switched to and connected to.
【０００７】例えば、運転負荷量Ｑ0がＰ2未満でＰ4以
上の範囲にまで低下すると、第１の商用側負荷１１がエ
ンジン発電設備１に付加され、斜線Ｂで示す状態で運転
がなされる。その斜線Ｂの状態での運転中において、運
転負荷量Ｑ0が偏差値ΔＶだけ増加してＰ1に達すると、
上記の第１の商用側負荷１１がエンジン発電設備１から
商用電源設備５へ切替えられ、運転出力Ｅは、前記の斜線
Ａで示すように変化する。これとは逆に、上記の斜線Ｂ
の状態での運転中に、その運転負荷量Ｑ0がＰ4未満でＰ
6以上の範囲にまで低下すると、第１の商用側負荷１１
に加えて第２の商用側負荷１２がエンジン発電設備１に
付加されて、斜線Ｃの状態で運転がなされる。[0007] For example, when the operating load Q 0 is less than P 2 and falls to the range of P 4 or more, the first commercial load 11 is added to the engine power generation equipment 1 and the operation is performed in the state shown by the diagonal line B. It When the operating load Q 0 increases by the deviation value ΔV and reaches P 1 during operation in the state of the diagonal line B,
The first commercial load 11 is switched from the engine power generation facility 1 to the commercial power source facility 5, and the operation output E changes as indicated by the diagonal line A. On the contrary, the diagonal line B above
If the operating load Q 0 is less than P 4 during operation in the state of P
When it falls to the range of 6 or more, the first commercial load 11
In addition to the above, the second commercial load 12 is added to the engine power generation facility 1, and the operation is performed in the state of the diagonal line C.
【０００８】また、上記の斜線Ｃの状態において、運転
負荷量Ｑ0がＰ6未満にまで低下すると、全ての商用側負
荷１１・１２・１３がエンジン発電設備１に付加されて、
斜線Ｄの状態で運転がなされる。なお、上記の斜線Ｃ又
はＤの状態において、運転負荷量Ｑ0が増加してＰ3又は
Ｐ5に達すると、前記と同様に、斜線Ｂ又はＣの状態に
復帰するのである。In addition, when the operating load Q 0 drops below P 6 in the state of the above-mentioned diagonal line C, all commercial loads 11, 12, 13 are added to the engine power generation equipment 1,
The operation is performed in the state of the diagonal line D. In addition, when the operating load amount Q 0 increases and reaches P 3 or P 5 in the state of the oblique line C or D, the state returns to the state of the oblique line B or C as in the above.
【０００９】[0009]
【発明の効果】本発明の自家用エンジン発電設備では、
自家発側負荷の運転負荷量が低下するとそのエンジン発
電設備に商用側負荷が付加されるので、常時、最大出力
に近い状態で運転できる。このため、自家用エンジン発
電設備は、最大出力に対する運転出力の割合が高くな
り、総合効率が大幅に向上する。しかも、上記の切替に
あたって、偏差値を設けたので、運転負荷量が短時間の
うちに減少から増加に転じたり増加から減少に転じたり
した場合であっても、切替時のハンチングを防止でき、
その結果、自家用エンジン発電設備を円滑に運転でき
る。In the private engine power generation equipment of the present invention,
When the operation load of the load on the private side decreases, the load on the commercial side is added to the engine power generation facility, so that the engine can always be operated in a state close to the maximum output. Therefore, in the private engine power generation facility, the ratio of the operation output to the maximum output is high, and the overall efficiency is significantly improved. Moreover, since a deviation value is provided for the above switching, hunting at the time of switching can be prevented even when the operating load changes from decreasing to increasing or increasing to decreasing in a short time,
As a result, the private engine power generation facility can be operated smoothly.
【００１０】[0010]
【実施例】以下、本発明の一実施例を図１で説明する。
図１(ａ)は系統図で、図１(ｂ)図は作動説明図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG.
FIG. 1A is a system diagram, and FIG. 1B is an operation explanatory diagram.
【００１１】図１(ａ)に示すように、出力15KWの自家用
エンジン発電設備１が自家発側給電路２を介して自家発
側負荷３に接続される。その自家発側負荷３は、変動負
荷であって、その運転負荷量Ｑ0を最大で15KWに設定して
ある。また、商用電源設備５が第１から第４の商用側給電
路６・７・８・９を介して４つの商用側負荷１１・１２・１
３・１４に接続される。第１から第３の商用側負荷１１・
１２・１３は、一定の負荷であって、その各負荷量Ｑ1・
Ｑ2・Ｑ3をそれぞれ2.5KWに設定してある。これにより、
上記の３つの商用側負荷１１・１２・１３の負荷量の合計
値は、7.5KWとなり、上記自家発側負荷３の最大負荷量
Ｔである15KW以下となっている。As shown in FIG. 1 (a), a private engine generator 1 having an output of 15 KW is connected to a private load 3 through a private power supply line 2. The private load 3 is a variable load, and the operating load Q 0 is set to 15 KW at the maximum. In addition, the commercial power supply facility 5 is connected to four commercial loads 11.12.1 via the first to fourth commercial power supply lines 6, 7, 8, 9.
It is connected to 3 ・ 14. 1st to 3rd commercial load 11.
12 and 13 are constant loads, and the respective load amounts Q 1
The Q 2 · Q 3 each is set to 2.5KW. This allows
The total value of the loads of the above three commercial loads 11, 12, and 13 is 7.5 KW, which is less than or equal to 15 KW, which is the maximum load T of the private load 3 described above.
【００１２】前記の４つの商用側給電路６・７・８・９の
うちの第１から第３の商用側給電路６・７・８と自家発側
給電路２とにわたって３つの切替器１６・１７・１８が設
けられる。これら第１から第３の切替器１６・１７・１８
によって、第１から第３の商用側負荷１１・１２・１３が
自家用エンジン発電設備１と商用電源設備５とに選択的
に接続される。Of the four commercial-side power supply lines 6, 7, 8, and 9, the first to third commercial-side power supply lines 6.7.8 and the private-use side power-supply line 2 are provided with three switching devices 16・ 17 and 18 are provided. These first to third switching devices 16, 17, 18
Thus, the first to third commercial loads 11, 12, and 13 are selectively connected to the private-use engine power generation facility 1 and the commercial power facility 5.
【００１３】前記の自家発側給電路２に設けた負荷検出
装置２１が制御装置２２を介して前記の切替器１６・１
７・１８を切替え操作するようになっている。上記の負
荷検出装置２１は、自家発側負荷３の運転負荷量Ｑ0を
検出するものであって、カレントコンバータ３１ａ・３
２ａ・３３ａと電圧検出リレー３１ｂ・３２ｂ・３３ｂと
を接続した３つの検出器で構成される。The load detecting device 21 provided in the power supply line 2 on the privately-owned side is connected to the switching device 16.1 via the control device 22.
It is designed to switch between 7 and 18. The load detection device 21 detects the operating load amount Q 0 of the in-house generated load 3, and the current converter 31a
It is composed of three detectors in which 2a and 33a are connected to voltage detection relays 31b, 32b and 33b.
【００１４】上記の負荷検出装置２１は、上記の運転負
荷量Ｑ0の15KW(Ｐ0)・12.5KW(Ｐ1)・11.5KW(Ｐ2)・１０KW
(Ｐ3)・９KW(Ｐ4)・7.5KW(Ｐ5)・6.5KW(Ｐ6)の値を検出
するようになっている。また、ここでは、設定値Ｖを2.
5KWに設定するとともに、その設定値Ｖの偏差値ΔＶを
約１KWに設定してある。上記の運転負荷量Ｑ0が15KW(Ｐ
0)以下で11.5KW(Ｐ2)以上の場合には、各切替器１６・１
７・１８が全て商用側へ切替えられて、商用電源設備５
に第１から第３の商用側負荷１１・１２・１３が付加さ
れ、斜線Ａの状態で運転される。The load detecting device 21 has 15KW (P 0 ), 12.5KW (P 1 ), 11.5KW (P 2 ), 10KW of the above operating load Q 0.
(P 3) · 9KW (P 4) · 7.5KW (P 5) · 6.5KW and detects the value of (P 6). Also, here, the set value V is 2.
The deviation value ΔV of the set value V is set to about 1 KW while being set to 5 KW. The above operating load Q 0 is 15 kW (P
0 ) or less and 11.5KW (P 2 ) or more, each switching device 16.1
All of the 7 and 18 are switched to the commercial side, and commercial power supply equipment 5
The first to third commercial loads 11, 12, and 13 are added to and the operation is performed in the state of the diagonal line A.
【００１５】上記の斜線Ａでの運転中に、運転負荷量Ｑ
0が11.5KW(Ｐ2)未満で9KW(Ｐ4)以上の範囲にまで低下し
た場合には、第１切替器１６が自家発側へ切替えられ
て、自家用エンジン発電設備１に第１商用側負荷１１が
付加され、斜線Ｂの状態で運転される。上記の斜線Ｂの
運転状態において、運転負荷量Ｑ0が増加して12.5KW(Ｐ
1)に到達すると、上記の第１商用側負荷１１が元の商用
側へ切り替えられて、前記の斜線Ａの状態で運転され
る。During the operation on the diagonal line A, the operating load Q
When 0 is less than 11.5KW (P 2 ) and falls to the range of 9KW (P 4 ) or more, the first switching device 16 is switched to the private generator side and the private engine power generation facility 1 is connected to the first commercial side. The load 11 is added, and the operation is performed in the state of the diagonal line B. In the operating state indicated by the diagonal line B, the operating load Q 0 increases to 12.5 KW (P
When 1 ) is reached, the above-mentioned first commercial load 11 is switched to the original commercial side, and the operation is performed in the state of the diagonal line A.
【００１６】これとは逆に、同上の斜線Ｂの運転状態に
おいて、その運転負荷量Ｑ0が減少して9KW(Ｐ4)未満で
6.5KW(Ｐ6)以上の範囲となった場合には、第１の切替器
１６に加えて第２の切替器１７が自家発側へ切替えられ
て、自家用エンジン発電設備１に第１と第２の商用側負
荷１１・１２が付加され、斜線Ｃの状態で運転される。On the contrary, in the operating state of the diagonal line B in the same as above, the operating load Q 0 decreases to less than 9 KW (P 4 ).
In the case of 6.5 KW (P 6 ) or more, the second switching device 17 in addition to the first switching device 16 is switched to the private-sector side, and the private engine power generation facility 1 has the first and second switching devices 17. Two commercial-side loads 11 and 12 are added, and the operation is performed in the state of diagonal line C.
【００１７】上記の斜線Ｃの運転状態において、運転負
荷量Ｑ0が増加して10KW(Ｐ3)に到達すると、上記の第２
商用側負荷１２が元の商用側へ切り替えられて、前記の
斜線Ｂの状態で運転される。When the operating load Q 0 increases to reach 10 KW (P 3 ) in the operating state indicated by the diagonal line C above, the second load
The commercial load 12 is switched to the original commercial side, and the operation is performed in the state of the diagonal line B.
【００１８】これとは逆に、同上の斜線Ｃの運転状態に
おいて、その運転負荷量Ｑ0が減少して6.5KW(Ｐ6)未満
となった場合には、第１と第２の切替器１６・１７に加
えて第３の切替器１８が自家発側へ切替えられて、自家
用エンジン発電設備１に３つの商用側負荷１１・１２・１
３が付加され、斜線Ｄの状態で運転される。On the contrary, when the operating load Q 0 decreases to less than 6.5 KW (P 6 ) in the operating state of the diagonal line C in the above, the first and second switching devices In addition to 16/17, the third switch 18 is switched to the private generator side, and the private engine power generation facility 1 is loaded with three commercial loads 11.12 / 1.
3 is added, and the operation is performed in the state of the diagonal line D.
【００１９】上記の斜線Ｄの運転状態において、運転負
荷量Ｑ0が増加して7.5KW(Ｐ5)に到達すると、上記の第
３商用側負荷１３が元の商用側へ切り替えられて、前記
の斜線Ｃの状態で運転される。When the operating load amount Q 0 increases to reach 7.5 KW (P 5 ) in the operating state indicated by the diagonal line D, the third commercial load 13 is switched to the original commercial side, and The vehicle is operated in the state of the diagonal line C.
【００２０】以上により、自家用エンジン発電設備１
は、自家発側負荷３の運転負荷量Ｑ0が変動した場合で
あっても、図１(ｂ)に示すように、運転出力Ｅが最大出
力(ここでは１５KW)に近い状態で運転される。From the above, the private engine power generation facility 1
Even if the operating load amount Q 0 of the load 3 on the private side fluctuates, as shown in FIG. 1B, the operating output E is operated in a state close to the maximum output (here, 15 KW). .
【００２１】本発明によれば、最大負荷量Ｔ(ここでは1
5KW)から運転負荷量Ｑ0を差し引いた値Ｍが設定値Ｖ(こ
こでは2.5KW)未満である場合に３つの切替器１６・１７・
１８が全て商用側へ切替えられ、上記の差し引いた値Ｍ
が設定値Ｖ(2.5KW)と偏差値ΔＶ(１KW)との合計値(3.5K
W)以上となった場合にはその差し引いた値Ｍの範囲内で
商用側負荷１１・１２・１３に対応する前記の切替器１６
・１７・１８を自家発側へ切替えればよく、切替器の切替
え操作の順番は限定されるものではない。According to the invention, the maximum load T (here 1
When the value M obtained by subtracting the operating load Q 0 from 5 KW) is less than the set value V (2.5 KW in this case), the three switching devices 16 ・ 17 ・
All 18 are switched to the commercial side, and the above subtracted value M
Is the sum of the set value V (2.5KW) and the deviation value ΔV (1KW) (3.5K
W) or more, within the range of the subtracted value M, the switch 16 corresponding to the commercial load 11, 12, 13
The order of switching operation of the switching device is not limited, as long as 17 and 18 are switched to the home side.
【００２２】なお、これら商用側負荷の負荷量は異なっ
ていてもよい。例えば、第１から第３の商用側負荷１１
・１２・１３の負荷量を、それぞれ、1.5KW・2KW・3KWに設
定するのである。前記偏差値ΔＶは、自家用エンジン発
電設備１の総合効率を高めるうえでは、できるだけ小さ
い値の方が好ましい。また、その偏差値ΔＶは、商用側
負荷のうちの最も小さい負荷量よりも小さい値であれば
よい。上記の商用側負荷は１つ以上設けてあればもよ
い。さらに、負荷検出装置２１は、電流を検出するもの
に代えて、電圧や電力を検出するものであってもよい。The load amounts of these commercial loads may be different. For example, the first to third commercial loads 11
・ The loads of 12 and 13 are set to 1.5KW, 2KW and 3KW, respectively. The deviation value ΔV is preferably as small as possible in order to improve the overall efficiency of the private engine power generation facility 1. Further, the deviation value ΔV may be a value smaller than the smallest load amount of the commercial load. One or more loads on the commercial side may be provided. Further, the load detection device 21 may detect voltage or power instead of detecting current.
【図１】負荷切替装置の一実施例を示し、(ａ)図は系統
図で、(ｂ)図は作動説明図である。1A and 1B show an embodiment of a load switching device, FIG. 1A is a system diagram, and FIG. 1B is an operation explanatory diagram.
１…自家用エンジン発電設備、２…自家発側給電路、３
…自家発側負荷、５…商用電源設備、６・７・８…商用側
給電路、１１・１２・１３…商用側負荷、１６・１７・１８
…切替器、２１…負荷検出装置、２２…制御装置、Ｔ…
自家発側負荷３の最大負荷量、Ｑ0…自家発側負荷３の
運転負荷量、Ｍ…最大負荷量Ｔから運転負荷量Ｑ0を差
し引いた値、Ｖ…設定値、ΔＶ…偏差値。1 ... Private engine power generation facility, 2 ... Private power supply line, 3
… In-house generated side load, 5… Commercial power supply equipment, 6/7/8… Commercial side power supply line, 11/12/13… Commercial side load, 16 ・ 17 ・ 18
... switcher, 21 ... load detection device, 22 ... control device, T ...
Maximum load amount of the load 3 on the private side, Q 0 ... Operating load amount of the load 3 on the private side, M ... A value obtained by subtracting the operating load amount Q 0 from the maximum load amount T, V ... Set value, ΔV ... Deviation value.
Claims (1)
給電路(２)を介して自家発側負荷(３)に接続すると共
に、商用電源設備(５)を少なくとも一つの商用側給電路
(６)(７)(８)を介して少なくとも一つの商用側負荷(１
１)(１２)(１３)に接続し、 上記の商用側負荷(１１)(１２)(１３)を上記の２つの設
備(１)(５)に選択的に接続する切替器(１６)(１７)(１
８)を上記の自家発側給電路(２)と上記の商用側給電路
(６)(７)(８)とにわたって設けて、その商用側負荷(１
１)(１２)(１３)の負荷量の合計値を上記の自家発側負
荷(３)の最大負荷量(Ｔ)以下の値に設定し、上記の自家
発側給電路(２)に、自家発側負荷(３)の運転負荷量
(Ｑ0)を検出する負荷検出装置(２１)を設けて、その負
荷検出装置(２１)を制御装置(２２)を介して上記の切替
器(１６)(１７)(１８)に接続し、 上記の制御装置(２２)は、上記の最大負荷量(Ｔ)から上
記の運転負荷量(Ｑ0)を差引いた値(Ｍ)が設定値(Ｖ)未
満となった場合に上記の切替器(１６)(１７)(１８)を全
て商用側へ切替え接続するのに対して、上記差引いた値
(Ｍ)が設定値(Ｖ)と偏差値(ΔＶ)との合計値以上となっ
た場合にその差し引いた値(Ｍ)の範囲内で商用側負荷
(１１)(１２)(１３)に対応する前記の切替器(１６)(１
７)(１８)を自家発側へ切替え接続するように構成し、 上記の偏差値(ΔＶ)を、上記の商用側負荷(１１)(１２)
(１３)の負荷量のうちの最も小さい負荷量よりも小さい
範囲に設定した、ことを特徴とする自家用エンジン発電
設備の負荷切替装置。1. A private engine generator (1) is connected to a private load (3) through a private power supply line (2), and a commercial power supply (5) is connected to at least one commercial power supply line.
(6) Via at least one commercial load (1
1) (12) (13), the commercial side load (11) (12) (13) selectively connected to the above two facilities (1) (5) switch (16) ( 17) (1
8) is the above-mentioned power supply line (2) on the private side and the above-mentioned commercial power supply line
(6) (7) (8) and the load on the commercial side (1
1) Set the total value of the load amounts of (12) and (13) to a value equal to or less than the maximum load amount (T) of the above-mentioned self-generated side load (3), Operational load of private load (3)
A load detection device (21) for detecting (Q 0 ) is provided, and the load detection device (21) is connected to the switching devices (16) (17) (18) through the control device (22), The control device (22) is configured to switch the switch when the value (M) obtained by subtracting the operating load (Q 0 ) from the maximum load (T) is less than the set value (V). (16) (17) (18) are all switched to the commercial side and connected, whereas the above subtracted value
When (M) is greater than or equal to the sum of the set value (V) and the deviation value (ΔV), the commercial load is within the range of the subtracted value (M).
The switching devices (16) (1) corresponding to (11) (12) (13)
7) (18) is configured to be switched and connected to the in-house generator side, and the above deviation value (ΔV) is set to the commercial side load (11) (12)
A load switching device for a private engine power generation facility, which is set in a range smaller than the smallest load amount of (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4213664A JPH0638385A (en) | 1992-07-17 | 1992-07-17 | Load switching device non-utility engine generator facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4213664A JPH0638385A (en) | 1992-07-17 | 1992-07-17 | Load switching device non-utility engine generator facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0638385A true JPH0638385A (en) | 1994-02-10 |
Family
ID=16642918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4213664A Pending JPH0638385A (en) | 1992-07-17 | 1992-07-17 | Load switching device non-utility engine generator facility |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003069759A1 (en) * | 2002-02-14 | 2003-08-21 | Yanmar Co.,Ltd. | Power source switching unit and power source management system comprising it |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6323521A (en) * | 1986-07-16 | 1988-01-30 | 伊藤忠商事株式会社 | Operation system of cvcf inverter |
-
1992
- 1992-07-17 JP JP4213664A patent/JPH0638385A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6323521A (en) * | 1986-07-16 | 1988-01-30 | 伊藤忠商事株式会社 | Operation system of cvcf inverter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003069759A1 (en) * | 2002-02-14 | 2003-08-21 | Yanmar Co.,Ltd. | Power source switching unit and power source management system comprising it |
| US7146256B2 (en) | 2002-02-14 | 2006-12-05 | Yanmar Co., Ltd. | Power source switching unit and power source management system comprising it |
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