CN111509837A - Diesel generating set parallel output double-bus main-standby power supply control technology - Google Patents
Diesel generating set parallel output double-bus main-standby power supply control technology Download PDFInfo
- Publication number
- CN111509837A CN111509837A CN202010352174.XA CN202010352174A CN111509837A CN 111509837 A CN111509837 A CN 111509837A CN 202010352174 A CN202010352174 A CN 202010352174A CN 111509837 A CN111509837 A CN 111509837A
- Authority
- CN
- China
- Prior art keywords
- parallel
- generator set
- diesel generator
- bus
- diesel
- 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
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The invention discloses a diesel generating set parallel output double-bus master-slave power supply control technology, when commercial power is lost, a commercial power detection control system firstly sends a commercial power fault signal to P L CA, the commercial power fault signal is converted into a multi-path starting signal for controlling the starting of a diesel generating set through P L CA, the multi-path starting signal is sent to a diesel generating set parallel controller AGC242, and then a passive dry contact signal is sent through a diesel generating set parallel controller AGC 242.
Description
Technical Field
The invention relates to the technical field of main and standby power supply control, in particular to a diesel generating set parallel output double-bus main and standby power supply control technology.
Background
The diesel generator set is a type of power generation equipment taking diesel as main fuel, and is a type of mechanical equipment taking a diesel engine as a prime power to drive a generator to generate power and converting kinetic energy into electric energy and heat energy; the diesel generator set mainly comprises a diesel engine, a generator and a control system, and is comprehensive power generation equipment with rapid starting, convenient operation and maintenance and strong environmental adaptability.
The existing power supply control system based on the diesel generator set cannot realize a general power supply mode of the main diesel generator set and the spare diesel generator set, and is difficult to monitor and control the operating conditions of all working components of the main diesel generator set in a centralized manner so as to achieve the safe and stable power supply effect;
in order to solve the above-mentioned drawbacks, a technical solution is now provided.
Disclosure of Invention
The invention aims to provide a parallel operation output double-bus main/standby power supply control technology for a diesel generating set, wherein the diesel generating set has two paths of output, a plurality of diesel generating sets are output to a parallel operation bus A and a parallel operation bus B after being parallel operated, and the parallel operation bus A is used as a main bus and the parallel operation bus B is used as a standby bus to supply power for an access load together; the diesel generator set side control cabinet controls a diesel generator set and a diesel generator set parallel switch cabinet, and the parallel main control cabinet A and the parallel main control cabinet B control the start and stop of the diesel generator set and control the output switch cabinets of the parallel bus A and the parallel bus B in a mutually active and standby mode;
the invention can control the diesel generator set, the diesel generator set parallel switch cabinet, the parallel bus A two-way output loop and the parallel bus B two-way output loop in a centralized way, and can also monitor the diesel generator set, the diesel generator set parallel switch cabinet, the parallel bus and the parallel bus output switch cabinet in a centralized way and send all the operation parameters to the client remote monitoring end together.
The technical problems to be solved by the invention are as follows:
how to solve the problems that the conventional power supply control system for the diesel generating set cannot realize a general power supply mode of the main and standby diesel generating sets and is difficult to monitor and control the operating conditions among working components of the main and standby diesel generating sets in a centralized manner so as to achieve a safe and stable power supply effect according to an effective mode.
The purpose of the invention can be realized by the following technical scheme:
the parallel output double-bus main and standby power supply control technology of the diesel generating set has the following specific mode:
when the mains supply is in power loss, a mains supply detection control system sends a mains supply fault signal to P L CA, the mains supply fault signal is converted into a multi-path starting signal for controlling the starting of the diesel generator set through P L CA, the multi-path starting signal is sent to an AGC242 of a parallel controller of the diesel generator set, a passive dry contact signal is sent by the AGC242 of the parallel controller of the diesel generator set and sent to a controller beside the diesel generator set to control the starting of the diesel generator set, after the diesel generator set is started, the AGC242 of the parallel controller of the diesel generator set controls the diesel generator set to regulate at the same time, the parallel controller of the diesel generator set is started after the same time is finished, and an A group outgoing line switch cabinet is switched on after the parallel operation is finished;
when the mains supply is lost and returns, a multi-channel starting signal converted and output by the P L CA disappears, the AGC242 outputs an opening relay to be electrified to control the opening of the parallel switch and the main outlet switch, and when the P L CA detects that the A group of diesel generator set parallel switch, the A group bus or the A group main outlet switch cabinet has faults, the P L CB controls the B group of diesel generator set parallel switch, the B group bus and the B group main outlet switch cabinet to work, and the working mode of the B group of diesel generator set parallel switch, the B group bus and the B group main outlet switch cabinet is consistent with that of the A group.
Further, the diesel generator set is composed of an oil engine 1, an oil engine 2, an oil engine 3, an oil engine 4, an oil engine 5 and a spare oil engine.
Furthermore, the controller beside the diesel generator set is connected with the AGC242, the P L CA or the P L CB, the touch screen A or the touch screen B through a communication RS485, and the touch screen A or the touch screen B is used for controlling and looking up the operating parameters of the diesel generator set.
Further, the parallel machine main control cabinet A comprises a touch screen A and a P L CA, the parallel machine main control cabinet B comprises a touch screen B and a P L CB, the parallel machine main control cabinet B and the touch screen B are used for integrally controlling the diesel generator set, the diesel generator set parallel machine switch cabinet, the parallel machine bus A main output loop and the parallel machine bus B main output loop, the parallel machine bus B main output loop and the parallel machine bus B main output loop, the parallel machine switch cabinet, the parallel machine bus and the parallel machine bus output switch cabinet are used for integrally monitoring the diesel generator set, the diesel generator set parallel machine switch cabinet, the parallel machine bus and the parallel machine bus output switch cabinet, and all the operation parameters are sent to.
The invention has the beneficial effects that:
(1) the diesel generating set of the invention has two paths of output, a plurality of diesel generating sets are parallel-connected and then output to a parallel-connected bus A and a parallel-connected bus B, and the parallel-connected bus A is used as a main parallel-connected bus B and a parallel-connected bus B as a standby to supply power for an access load together;
(2) the diesel generator set side control cabinet controls a diesel generator set and a diesel generator set parallel switch cabinet, and a parallel main control cabinet A and a parallel main control cabinet B adopt a mutually master-slave mode to control the start and stop of the diesel generator set and control the output switch cabinets of a parallel bus A and a parallel bus B;
(3) the invention can control the diesel generator set, the diesel generator set parallel switch cabinet, the parallel bus A two-way output loop and the parallel bus B two-way output loop in a centralized way, and can also monitor the diesel generator set, the diesel generator set parallel switch cabinet, the parallel bus and the parallel bus output switch cabinet in a centralized way and send all the operation parameters to the client remote monitoring end together.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings;
fig. 1 is a circuit diagram of the present invention.
Detailed Description
As shown in fig. 1, the parallel output dual bus master/slave power supply control technology of the diesel generator set specifically includes the following steps:
when the mains supply is in power loss, a mains supply detection control system sends a mains supply fault signal to P L CA, the mains supply fault signal is converted into a multi-path starting signal for controlling the starting of the diesel generator set through P L CA, the multi-path starting signal is sent to an AGC242 of a parallel controller of the diesel generator set, a passive dry contact signal is sent by the AGC242 of the parallel controller of the diesel generator set and sent to a controller beside the diesel generator set to control the starting of the diesel generator set, after the diesel generator set is started, the AGC242 of the parallel controller of the diesel generator set controls the diesel generator set to regulate at the same time, the parallel controller of the diesel generator set is started after the same time is finished, and an A group outgoing line switch cabinet is switched on after the parallel operation is finished;
when the mains supply is lost and returns, a multi-channel starting signal converted and output by the P L CA disappears, the AGC242 outputs an opening relay to be electrified to control the opening of the parallel switch and the main outlet switch, and when the P L CA detects that the A group of diesel generator set parallel switch, the A group bus or the A group main outlet switch cabinet has faults, the P L CB controls the B group of diesel generator set parallel switch, the B group bus and the B group main outlet switch cabinet to work, and the working mode of the B group of diesel generator set parallel switch, the B group bus and the B group main outlet switch cabinet is consistent with that of the A group;
the diesel generator set comprises an oil engine 1, an oil engine 2, an oil engine 3, an oil engine 4, an oil engine 5 and a spare oil engine;
the controller beside the diesel generator set is connected with the AGC242, the P L CA or the P L CB, the touch screen A or the touch screen B through a communication RS485, and the touch screen A or the touch screen B is used for controlling and looking up the operating parameters of the diesel generator set;
the parallel machine main control cabinet A comprises a touch screen A and a P L CA, the parallel machine main control cabinet B comprises a touch screen B and a P L CB, the parallel machine main control cabinet A and the parallel machine main control cabinet B together control the diesel generator set, the diesel generator set parallel machine switch cabinet, the parallel machine bus A main output loop and the parallel machine bus B main output loop, the parallel machine bus B main output switch cabinet and the parallel machine bus B main output switch cabinet together control the diesel generator set, the diesel generator set parallel machine switch cabinet, the parallel machine bus and the parallel machine bus output switch cabinet together, and all the operation parameters are sent to.
The diesel generating set of the invention has two paths of output, a plurality of diesel generating sets are parallel-connected and then output to a parallel-connected bus A and a parallel-connected bus B, and the parallel-connected bus A is used as a main parallel-connected bus B and a parallel-connected bus B as a standby to supply power for an access load together; the diesel generator set side control cabinet controls a diesel generator set and a diesel generator set parallel switch cabinet, and the parallel main control cabinet A and the parallel main control cabinet B control the start and stop of the diesel generator set and control the output switch cabinets of the parallel bus A and the parallel bus B in a mutually active and standby mode;
the invention can control the diesel generator set, the diesel generator set parallel switch cabinet, the parallel bus A two-way output loop and the parallel bus B two-way output loop in a centralized way, and can also monitor the diesel generator set, the diesel generator set parallel switch cabinet, the parallel bus and the parallel bus output switch cabinet in a centralized way, and send all the operation parameters to the client remote monitoring end together; the power supply mode common to the main and standby diesel generator sets can be achieved, and the operation conditions among the working components of the main and standby diesel generator sets are monitored and controlled in a centralized manner, so that the safe and stable power supply effect is achieved.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (4)
1. The parallel output double-bus main/standby power supply control technology of the diesel generating set is characterized by comprising the following specific modes:
when the mains supply is in power loss, a mains supply detection control system sends a mains supply fault signal to P L CA, the mains supply fault signal is converted into a multi-path starting signal for controlling the starting of the diesel generator set through P L CA, the multi-path starting signal is sent to an AGC242 of a parallel controller of the diesel generator set, a passive dry contact signal is sent by the AGC242 of the parallel controller of the diesel generator set and sent to a controller beside the diesel generator set to control the starting of the diesel generator set, after the diesel generator set is started, the AGC242 of the parallel controller of the diesel generator set controls the diesel generator set to regulate at the same time, the parallel controller of the diesel generator set is started after the same time is finished, and an A group outgoing line switch cabinet is switched on after the parallel operation is finished;
when the mains supply is lost and returns, a multi-channel starting signal converted and output by the P L CA disappears, the AGC242 outputs an opening relay to be electrified to control the opening of the parallel switch and the main outlet switch, and when the P L CA detects that the A group of diesel generator set parallel switch, the A group bus or the A group main outlet switch cabinet has faults, the P L CB controls the B group of diesel generator set parallel switch, the B group bus and the B group main outlet switch cabinet to work, and the working mode of the B group of diesel generator set parallel switch, the B group bus and the B group main outlet switch cabinet is consistent with that of the A group.
2. The parallel output dual-bus active-standby power supply control technology of the diesel generator set according to claim 1, wherein the diesel generator set is composed of an "oil engine 1", an "oil engine 2", an "oil engine 3", an "oil engine 4", an "oil engine 5" and a "standby oil engine".
3. The diesel generator set parallel output double-bus main/standby power supply control technology as claimed in claim 1, wherein the diesel generator set side controller is connected with AGC242, P L CA, P L CB, touch screen A or touch screen B through communication RS485, and the touch screen A or touch screen B is used for controlling and looking up operating parameters of the diesel generator set.
4. The parallel output dual-bus main/standby power supply control technology of the diesel generating set according to claim 1, wherein the parallel main control cabinet a comprises a touch screen a and a P L CA, the parallel main control cabinet B comprises a touch screen B and a P L CB, the parallel main control cabinet B and the touch screen a and the P L CA are integrated together to control the diesel generating set, the parallel switch cabinet of the diesel generating set, the parallel bus a and the parallel bus B, and the integrated monitoring diesel generating set, the parallel switch cabinet of the diesel generating set, the parallel bus and the parallel bus output switch cabinet are integrated together, and the operation parameters are transmitted to the client remote monitoring end together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010352174.XA CN111509837A (en) | 2020-04-28 | 2020-04-28 | Diesel generating set parallel output double-bus main-standby power supply control technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010352174.XA CN111509837A (en) | 2020-04-28 | 2020-04-28 | Diesel generating set parallel output double-bus main-standby power supply control technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111509837A true CN111509837A (en) | 2020-08-07 |
Family
ID=71876784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010352174.XA Pending CN111509837A (en) | 2020-04-28 | 2020-04-28 | Diesel generating set parallel output double-bus main-standby power supply control technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111509837A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201556969U (en) * | 2009-07-17 | 2010-08-18 | 深圳市沃尔奔达新能源股份有限公司 | Power supply system |
| KR101149564B1 (en) * | 2011-10-17 | 2012-05-29 | 부경엔지니어링주식회사 | Operation method and apparatus of emergency generator for reserve power |
| 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 |
| CN104454198A (en) * | 2014-11-27 | 2015-03-25 | 福建唐力电力设备有限公司 | Intelligent integrated controller of generator set and control method thereof |
| CN105071432A (en) * | 2015-07-31 | 2015-11-18 | 太原理工大学 | Diesel generator parallel control apparatus |
| CN105281357A (en) * | 2014-05-26 | 2016-01-27 | 泰州锋陵特种电站装备有限公司 | Diesel generator set and island microgrid connecting structure |
| CN105391164A (en) * | 2015-12-16 | 2016-03-09 | 易事特集团股份有限公司 | Micro-grid type uninterrupted power system |
| CN110011353A (en) * | 2019-03-19 | 2019-07-12 | 上海唐银投资发展有限公司 | A kind of parallel operation control system and method for diesel-driven generator power supply-distribution system |
-
2020
- 2020-04-28 CN CN202010352174.XA patent/CN111509837A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201556969U (en) * | 2009-07-17 | 2010-08-18 | 深圳市沃尔奔达新能源股份有限公司 | Power supply system |
| KR101149564B1 (en) * | 2011-10-17 | 2012-05-29 | 부경엔지니어링주식회사 | Operation method and apparatus of emergency generator for reserve power |
| 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 |
| CN105281357A (en) * | 2014-05-26 | 2016-01-27 | 泰州锋陵特种电站装备有限公司 | Diesel generator set and island microgrid connecting structure |
| CN104454198A (en) * | 2014-11-27 | 2015-03-25 | 福建唐力电力设备有限公司 | Intelligent integrated controller of generator set and control method thereof |
| CN105071432A (en) * | 2015-07-31 | 2015-11-18 | 太原理工大学 | Diesel generator parallel control apparatus |
| CN105391164A (en) * | 2015-12-16 | 2016-03-09 | 易事特集团股份有限公司 | Micro-grid type uninterrupted power system |
| CN110011353A (en) * | 2019-03-19 | 2019-07-12 | 上海唐银投资发展有限公司 | A kind of parallel operation control system and method for diesel-driven generator power supply-distribution system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2014176958A1 (en) | Electric energy router with multiple power supply modes | |
| CN203098342U (en) | Control device of cooling fan of generator circuit breaker | |
| CN204440126U (en) | The automatically-monitored controller of diesel generator set | |
| CN102222981B (en) | Wind power converter monitoring system and wind power generation system | |
| CN110190585B (en) | B-type residual current monitoring and action circuit breaker with wireless transmission function | |
| CN114079298A (en) | Safe BMS system for balanced control and abnormal rapid protection of battery energy storage system | |
| CN102185334B (en) | Multiple parallel large-horsepower generator set and commercial power interconnection system therewith | |
| CN208401623U (en) | A kind of power plant's emergency diesel engine unit logic control system | |
| CN108233391B (en) | Cascade SVG serial-parallel cooperative communication controller | |
| CN207977741U (en) | aircraft DC power supply system | |
| CN103560583A (en) | Micro-unit monitor based on DSP | |
| CN111509837A (en) | Diesel generating set parallel output double-bus main-standby power supply control technology | |
| CN101150260B (en) | Power supply switch and anti-jump control method and device | |
| CN109936139B (en) | Power distribution network double-end flexible interconnection power distribution system and power distribution method thereof | |
| CN205319794U (en) | Uninterruptible power supply system | |
| CN114744748A (en) | Logic control method of data center diesel engine parallel machine control system | |
| CN205225642U (en) | High pressure air compressor machine station centralized control and frequency conversion control system | |
| CN201134697Y (en) | Uninterrupted power supplying standby electric generating plant | |
| CN211239348U (en) | Power supply vehicle parallel operation and repeated parallel operation system | |
| CN114006553A (en) | Coal cutter traction system and control method thereof | |
| CN203151364U (en) | Multi-thyristor synchronous optical pulse triggering circuit | |
| CN204131191U (en) | A kind of converter oxygen gun variable ratio frequency changer emergency power supply | |
| CN202550689U (en) | Intelligent management control system for enhancing stability of small power grid | |
| CN111313539A (en) | Automatic switching device and method for spare power automatic switching bus coupler fault of PLC | |
| CN201937328U (en) | Automatically switched ATS device for standby power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200807 |