CN201556969U - Power supply system - Google Patents
Power supply system Download PDFInfo
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- CN201556969U CN201556969U CN2009201340310U CN200920134031U CN201556969U CN 201556969 U CN201556969 U CN 201556969U CN 2009201340310 U CN2009201340310 U CN 2009201340310U CN 200920134031 U CN200920134031 U CN 200920134031U CN 201556969 U CN201556969 U CN 201556969U
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- circuit breaker
- power
- power supply
- generating set
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Abstract
The utility model discloses a power supply system which comprises a commercial power input module, and further comprises a network control module, a first power generation machine set, a first power generation machine set controller, a first circuit breaker and a third circuit breaker, wherein the commercial power input module is connected with a load through the third circuit breaker, the first power generation machine set is connected with the load through the first circuit breaker, the network control module is connected with the third circuit breaker, the first power generation machine set controller is connected with the first circuit breaker, when the power supply system needs continuous power supply, the first power generation machine set controller adjusts voltage, frequency and phases of a first power supply output by a first power generation machine set, thereby enabling the first power supply to control the first circuit breaker to close after being synchronous with the commercial power, when the network control module checks abnormity of the commercial power, the control module controls the third circuit breaker to disconnect, and the power generation machine set is use to provide power for the load. The power supply system can provide continuous power for the load, even when the commercial power generates failures in the power supply process, normal power supply of load end can be guaranteed, and the power supply demands of users in important occasions can be guaranteed.
Description
Technical field
The utility model relates to a kind of electric power system.
Background technology
Electric power system commonly used at present is many to be provided by civil power.But in some important events such as great meeting, important social activity etc., requirement can not have a power failure usually.This requirement can provide a kind of electric power system of not cutting off the power supply.
Summary of the invention
The utility model is exactly in order to overcome above deficiency, to have proposed a kind of electric power system of not cutting off the power supply.
Technical problem of the present utility model is solved by following technical scheme:
A kind of electric power system, comprise the civil power input module, also comprise the control module that is incorporated into the power networks, first generating set, first generator set controller, first circuit breaker, the 3rd circuit breaker, described civil power input module links to each other with load through the 3rd circuit breaker, described first generating set links to each other with load through first circuit breaker, the described control module that is incorporated into the power networks links to each other with the 3rd circuit breaker, and described first generator set controller links to each other with first circuit breaker; When described electric power system need be carried out uninterrupted power supply, described first generator set controller is adjusted first power source voltage, frequency, the phase place of first generating set output, making first power supply and civil power back control synchronously, first breaker closing, is electric by civil power and generating set simultaneously; Then controlling the 3rd circuit breaker and disconnect when the described control module that is incorporated into the power networks detects city's electrical anomaly, is electric by generating set fully, and the power supply of proof load end is normal.
The described control module that is incorporated into the power networks comprises waveforms detection unit, same period unit and adjustment unit, and described waveforms detection unit, the same period, the unit linked to each other respectively with the 3rd circuit breaker, and described adjustment unit is connected between first generating set and the same period unit; Then controlling the 3rd circuit breaker when described waveforms detection unit detects city's electrical anomaly disconnects, described adjustment unit is adjusted first power source voltage, frequency, phase place in the normal again back of civil power, makes first power supply and civil power back notice unit controls the 3rd breaker closing same period synchronously.
Described electric power system also comprises second generating set, second generator set controller and second circuit breaker, described second generating set links to each other with load through second circuit breaker, described second generator set controller links to each other respectively with second circuit breaker, first generator set controller, when the underpower of described first generating set, adjust voltage, frequency, the phase place of the second source of second generating set output after described second generator set controller is communicated by letter with first generator set controller, make the second source and first power supply control second breaker closing in the back synchronously.
Described first generating set and second generating set are diesel generating set.
The beneficial effect that the utility model is compared with the prior art is: the utility model can carry out continual power supply for load, even but in the power supply process civil power proof load end power supply of breaking down also normal, ensured the need for electricity of user in important events.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2.
Embodiment
Also in conjunction with the accompanying drawings the utility model is described in further details below by concrete execution mode.
Embodiment 1
As shown in Figure 1, a kind of electric power system, comprise the civil power input module, the control module that is incorporated into the power networks, first generating set, first generator set controller, the first circuit breaker Q F1, the 3rd circuit breaker Q F3, described civil power input module links to each other with load through the 3rd circuit breaker Q F3, described first generating set links to each other with load through the first circuit breaker Q F1, the described control module that is incorporated into the power networks links to each other with the 3rd circuit breaker Q F3, and described first generator set controller links to each other with the first circuit breaker Q F1.When described electric power system need be carried out uninterrupted power supply, described first generator set controller is adjusted first power source voltage, frequency, the phase place of first generating set output, making first power supply and civil power back control synchronously, the first circuit breaker Q F1 closure, is electric by the civil power and first generating set simultaneously.Then controlling the 3rd circuit breaker Q F3 and disconnect when the described control module that is incorporated into the power networks detects city's electrical anomaly, is electric by first generating set fully, and the power supply of proof load end is normal.
First generating set can be diesel generating set as stand-by power supply.First generator set controller is realized being incorporated into the power networks of first generating set and civil power.
First generator set controller is also monitored first generating set and is protected, and guarantees that generating set can normally move.
As shown in Figure 1, the described control module that is incorporated into the power networks comprises waveforms detection unit, same period unit and adjustment unit, and described waveforms detection unit, the same period, the unit linked to each other respectively with the 3rd circuit breaker Q F3, and described adjustment unit is connected between first generating set and the same period unit; Then controlling the 3rd circuit breaker Q F3 when described waveforms detection unit detects city's electrical anomaly disconnects, described adjustment unit is adjusted first power source voltage, frequency, phase place in the normal again back of civil power, makes first power supply and civil power back notice unit controls the 3rd circuit breaker Q F3 closure same period synchronously.
The waveforms detection unit can detect the overvoltage of civil power three-phase voltage, under-voltage and phase shortage, comprises that monitoring city electric vector changes, and guarantees the civil power anomaly is made accurate judgement.
The operation principle of present embodiment is as follows:
The 3rd circuit breaker Q F3 closure is powered to the load by the civil power through the civil power input module under the normal condition.Normal and need uninterrupted power supply (in the time of promptly can not having a power failure), described first generator set controller to adjust first power source voltage, frequency, the phase place of the output of first generating set when civil power, make first power supply and civil power control the first circuit breaker Q F1 closure in the back synchronously.First power supply and the civil power that this moment, first generating set provided is incorporated into the power networks, powers to load simultaneously.Detect civil power as if the control module (specifically being the waveforms detection unit) that is incorporated into the power networks and break down, disconnect the 3rd circuit breaker Q F3 immediately by the control module that is incorporated into the power networks.Can avoid first generating set to the anti-electricity that send of electrical network like this, cause the generating set overload to be shut down, not have a power failure to guarantee important load.After the city power recovery is normal, the control module that is incorporated into the power networks (specifically being adjustment unit) is adjusted first power source voltage, frequency and the phase place that first generating set is exported, when first power source voltage, frequency, phase place, control module (specifically being the unit same period) control the 3rd circuit breaker Q F3 closure is incorporated into the power networks after making first power supply and civil power synchronously.Civil power drops into load again like this, enters civil power and generating uninterrupted power supply state once more.
Embodiment 2
As shown in Figure 2, the difference of present embodiment and embodiment 1 is: described electric power system also comprises second generating set, second generator set controller and the second circuit breaker Q F2.Described second generating set links to each other with load through the second circuit breaker Q F2, and described second generator set controller links to each other respectively with the second circuit breaker Q F2, first generator set controller.When the underpower of described first generating set, adjust voltage, frequency, the phase place of the second source of second generating set output after described second generator set controller is communicated by letter with first generator set controller, make the second source and first power supply control the second circuit breaker Q F2 closure in the back synchronously.Described second generating set can be diesel generating set.
The operation principle of present embodiment is as follows:
The 3rd circuit breaker Q F3 closure is powered to the load by the civil power through the civil power input module under the normal condition.Normal and need uninterrupted power supply (in the time of promptly can not having a power failure), described first generator set controller to adjust first power source voltage, frequency, the phase place of the output of first generating set when civil power, make first power supply and civil power control the first circuit breaker Q F1 closure in the back synchronously.When the underpower of described first generating set, described second generator set controller is communicated by letter with first generator set controller, adjust voltage, frequency, the phase place of the second source of second generating set output, make the second source and the first power supply back control synchronously second circuit breaker Q F2 closure.This moment first generating set and second generating set parallel connection by using.Automatically finish power division by first generator set controller and second generator set controller after parallel operation is finished and guarantee that power division is even between first generating set and second generating set.Like this, second source, civil power three that first power supply that first generating set provides, second generating set provide are incorporated into the power networks, and power to load simultaneously.Detect civil power as if the control module (specifically being the waveforms detection unit) that is incorporated into the power networks and break down, disconnect the 3rd circuit breaker Q F3 immediately by the control module that is incorporated into the power networks.Can avoid first generating set, second generating set to the anti-electricity that send of electrical network like this, cause the generating set overload to be shut down, not have a power failure to guarantee important load.
After the city power recovery is normal, the control module that is incorporated into the power networks (specifically being adjustment unit) is adjusted first power source voltage, frequency and the phase place that first generating set is exported, when first power source voltage, frequency, phase place, control module (specifically being the unit same period) control the 3rd circuit breaker Q F3 closure is incorporated into the power networks after making first power supply and civil power synchronously.Civil power drops into load again like this, enters civil power and generating uninterrupted power supply state once more.
Certainly, also can increase the quantity of generating set and corresponding generator set controller and circuit breaker as required, think more high power load power supply.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (4)
1. electric power system, comprise the civil power input module, it is characterized in that: also comprise the control module that is incorporated into the power networks, first generating set, first generator set controller, first circuit breaker (QF1), the 3rd circuit breaker (QF3), described civil power input module links to each other with load through the 3rd circuit breaker (QF3), described first generating set links to each other with load through first circuit breaker (QF1), the described control module that is incorporated into the power networks links to each other with the 3rd circuit breaker (QF3), and described first generator set controller links to each other with first circuit breaker (QF1).
2. electric power system according to claim 1, it is characterized in that: the described control module that is incorporated into the power networks comprises waveforms detection unit, same period unit and adjustment unit, described waveforms detection unit, the same period, the unit linked to each other respectively with the 3rd circuit breaker (QF3), and described adjustment unit is connected between first generating set and the same period unit.
3. electric power system according to claim 1 and 2, it is characterized in that: also comprise second generating set, second generator set controller and second circuit breaker (QF2), described second generating set links to each other with load through second circuit breaker (QF2), and described second generator set controller links to each other respectively with second circuit breaker (QF2), first generator set controller.
4. electric power system according to claim 3 is characterized in that: described first generating set and second generating set are diesel generating set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201340310U CN201556969U (en) | 2009-07-17 | 2009-07-17 | Power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201340310U CN201556969U (en) | 2009-07-17 | 2009-07-17 | Power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201556969U true CN201556969U (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201340310U Expired - Fee Related CN201556969U (en) | 2009-07-17 | 2009-07-17 | Power supply system |
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| CN (1) | CN201556969U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825303A (en) * | 2012-11-16 | 2014-05-28 | Ls产电株式会社 | Control device for hybrid electric power system |
| CN104319821A (en) * | 2014-11-13 | 2015-01-28 | 郑州众智科技股份有限公司 | Parallel and synchronous control system for unit busbars |
| CN104348183A (en) * | 2013-08-05 | 2015-02-11 | 广东西电动力科技股份有限公司 | Power supplying system with multiple large-power high-voltage diesel generating sets in parallel operation |
| CN105305479A (en) * | 2014-07-07 | 2016-02-03 | 卡特彼勒发动机有限及两合公司 | Control system and method for generator sets |
| CN105322567A (en) * | 2015-11-13 | 2016-02-10 | 安徽四创电子股份有限公司 | Grid-connected inversion-based solar-diesel complementary controller and working method thereof |
| CN105715363A (en) * | 2016-03-21 | 2016-06-29 | 江苏鲲鹏电力设备有限公司 | Fuel-saved and energy-saved diesel generator |
| CN106230109A (en) * | 2016-08-26 | 2016-12-14 | 中科合肥微小型燃气轮机研究院有限责任公司 | Can the test bench for gas turbine electric power system of uninterrupted power supply |
| CN111064222A (en) * | 2019-12-20 | 2020-04-24 | 徐州海伦哲特种车辆有限公司 | Power supply vehicle parallel operation and multiple parallel operation system and operation method thereof |
| CN111509837A (en) * | 2020-04-28 | 2020-08-07 | 合肥康尔信电力系统有限公司 | Diesel generating set parallel output double-bus main-standby power supply control technology |
| CN111509778A (en) * | 2020-04-28 | 2020-08-07 | 合肥康尔信电力系统有限公司 | Diesel generating set is as multichannel commercial power stand-by power supply parallel operation, and power supply system is incorporated into power networks |
| CN111509786A (en) * | 2020-04-29 | 2020-08-07 | 合肥康尔信电力系统有限公司 | Parallel operation and parallel operation control system of diesel generating set |
| CN112531690A (en) * | 2020-11-26 | 2021-03-19 | 广东电网有限责任公司清远供电局 | Power supply switching system and method |
| CN113285516A (en) * | 2021-07-21 | 2021-08-20 | 深圳康普盾科技股份有限公司 | Cabinet control device and charging method thereof |
-
2009
- 2009-07-17 CN CN2009201340310U patent/CN201556969U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825303A (en) * | 2012-11-16 | 2014-05-28 | Ls产电株式会社 | Control device for hybrid electric power system |
| CN103825303B (en) * | 2012-11-16 | 2016-02-24 | Ls产电株式会社 | For the control appliance of hybrid power system |
| CN104348183A (en) * | 2013-08-05 | 2015-02-11 | 广东西电动力科技股份有限公司 | Power supplying system with multiple large-power high-voltage diesel generating sets in parallel operation |
| CN105305479A (en) * | 2014-07-07 | 2016-02-03 | 卡特彼勒发动机有限及两合公司 | Control system and method for generator sets |
| CN105305479B (en) * | 2014-07-07 | 2020-03-27 | 卡特彼勒发动机有限及两合公司 | Control system and method for generator set |
| CN104319821A (en) * | 2014-11-13 | 2015-01-28 | 郑州众智科技股份有限公司 | Parallel and synchronous control system for unit busbars |
| CN105322567B (en) * | 2015-11-13 | 2017-08-01 | 安徽四创电子股份有限公司 | A kind of light bavin complementary controller and its method of work based on parallel network reverse |
| CN105322567A (en) * | 2015-11-13 | 2016-02-10 | 安徽四创电子股份有限公司 | Grid-connected inversion-based solar-diesel complementary controller and working method thereof |
| CN105715363A (en) * | 2016-03-21 | 2016-06-29 | 江苏鲲鹏电力设备有限公司 | Fuel-saved and energy-saved diesel generator |
| CN106230109A (en) * | 2016-08-26 | 2016-12-14 | 中科合肥微小型燃气轮机研究院有限责任公司 | Can the test bench for gas turbine electric power system of uninterrupted power supply |
| CN111064222A (en) * | 2019-12-20 | 2020-04-24 | 徐州海伦哲特种车辆有限公司 | Power supply vehicle parallel operation and multiple parallel operation system and operation method thereof |
| CN111509837A (en) * | 2020-04-28 | 2020-08-07 | 合肥康尔信电力系统有限公司 | Diesel generating set parallel output double-bus main-standby power supply control technology |
| CN111509778A (en) * | 2020-04-28 | 2020-08-07 | 合肥康尔信电力系统有限公司 | Diesel generating set is as multichannel commercial power stand-by power supply parallel operation, and power supply system is incorporated into power networks |
| CN111509786A (en) * | 2020-04-29 | 2020-08-07 | 合肥康尔信电力系统有限公司 | Parallel operation and parallel operation control system of diesel generating set |
| CN111509786B (en) * | 2020-04-29 | 2021-08-17 | 合肥康尔信电力系统有限公司 | Parallel operation and parallel operation control system of diesel generating set |
| CN112531690A (en) * | 2020-11-26 | 2021-03-19 | 广东电网有限责任公司清远供电局 | Power supply switching system and method |
| CN113285516A (en) * | 2021-07-21 | 2021-08-20 | 深圳康普盾科技股份有限公司 | Cabinet control device and charging method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20160717 |
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| CF01 | Termination of patent right due to non-payment of annual fee |