CN111525623B - Diesel generating set parallel output double-bus simultaneous on-line mutual standby power supply control system - Google Patents
Diesel generating set parallel output double-bus simultaneous on-line mutual standby power supply control system Download PDFInfo
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- CN111525623B CN111525623B CN202010353106.5A CN202010353106A CN111525623B CN 111525623 B CN111525623 B CN 111525623B CN 202010353106 A CN202010353106 A CN 202010353106A CN 111525623 B CN111525623 B CN 111525623B
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- 238000012544 monitoring process Methods 0.000 claims abstract description 20
- 101001094053 Homo sapiens Solute carrier family 22 member 9 Proteins 0.000 claims abstract description 13
- 102100035246 Solute carrier family 22 member 9 Human genes 0.000 claims abstract description 13
- 101100204286 Ustilago maydis (strain 521 / FGSC 9021) ust1 gene Proteins 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000012217 deletion Methods 0.000 claims description 3
- 230000037430 deletion Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/40—Synchronising a generator for connection to a network or to another generator
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- 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
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- 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 simultaneous on-line mutual standby power supply control system, which is used for the problems that the existing diesel generating set parallel output double-bus simultaneous on-line mutual standby power supply control is inconvenient and cannot reasonably provide operation parameters for remote monitoring of customers at the same time, and comprises a plurality of diesel generating sets, a parallel bus A, a parallel bus B, a parallel main control cabinet A, a parallel main control cabinet B, an output switch cabinet UST1, an output switch cabinet UST2, an output switch cabinet UST3, an output switch cabinet UST4 and a parameter monitoring module; the parallel operation bus A and the parallel operation bus B are on line at the same time and are mutually standby; the method comprises the steps of monitoring a diesel generator set, a parallel operation bus and the like in a centralized manner and providing operation parameters of the diesel generator set, the parallel operation bus and the like for remote monitoring of a client; the time for sending the operation parameter data to the client next time is further determined through the sending interval duration, so that the operation parameter data can be conveniently and reasonably sent to the client.
Description
Technical Field
The invention relates to the technical field of simultaneous on-line mutual standby power supply control of diesel generating sets, in particular to a parallel output double-bus simultaneous on-line mutual standby power supply control system of a diesel generating set.
Background
The generator set consists of an engine, a generator and a control system. The diesel generator set is a power supply device which takes a diesel engine as a prime mover and drags a synchronous generator to generate electricity. The power generation device has the advantages of quick start, convenient operation and maintenance, low investment and strong adaptability to the environment. The diesel generator set is a power generation device which takes diesel as main fuel, and is a mechanical device which takes a diesel engine as a prime power to drive a generator (namely an electric ball) to generate power and convert kinetic energy into electric energy and heat energy;
the parallel output double buses of the existing diesel generating set are inconvenient to mutually support power supply control on line at the same time, and meanwhile, the running parameters cannot be reasonably provided for remote monitoring of clients.
Disclosure of Invention
The invention aims to provide a system for controlling the simultaneous online mutual backup power supply of the parallel output double buses of the diesel generating set in order to solve the problems that the simultaneous online mutual backup power supply control of the parallel output double buses of the existing diesel generating set is inconvenient and the operation parameters can not be reasonably provided for a client to monitor remotely; the parallel operation bus A and the parallel operation bus B are on line at the same time and are mutually standby; the method comprises the steps of monitoring a diesel generator set, a parallel operation bus and the like in a centralized manner and providing operation parameters of the diesel generator set, the parallel operation bus and the like for remote monitoring of a client; the time for sending the operation parameter data to the client next time is further determined through the sending interval duration, so that the operation parameter data can be conveniently and reasonably sent to the client.
The purpose of the invention can be realized by the following technical scheme: the system comprises a plurality of diesel generator sets, a parallel operation bus A, a parallel operation bus B, a parallel operation main control cabinet A, a parallel operation main control cabinet B, an output switch cabinet UST1, an output switch cabinet UST2, an output switch cabinet UST3, an output switch cabinet UST4 and a parameter monitoring module;
the method comprises the following steps that a plurality of diesel generating sets are connected in parallel and then output to a parallel bus A and a parallel bus B, the parallel bus A and the parallel bus B supply power to a load at the same time, and the parallel bus A and the parallel bus B are on line at the same time and are mutually standby; the diesel generator set comprises two paths of outputs, namely an output path I and an output path II;
the first output path is connected with the parallel machine main control cabinet A through an industrial Ethernet switch, and the second output path is connected with the parallel machine main control cabinet B through the industrial Ethernet switch;
the output end of the parallel machine bus A is connected with an output switch cabinet UST1 and an output switch cabinet UST2, and the output switch cabinet UST1 and the output switch cabinet UST2 are used for supplying power to the same lower-level load;
the output end of the parallel operation bus B is connected with the output switch cabinet UST3 and the output switch cabinet UST4, and the output switch cabinet UST3 and the output switch cabinet UST4 are used for supplying power to the same lower-level load.
Preferably, the parallel operation main control cabinet A and the parallel operation main control cabinet B are both provided with display screens.
Preferably, the parameter monitoring module is used for providing remote monitoring for clients; the parameter monitoring module comprises a data acquisition unit, an analysis unit, a receiving acquisition unit, a sending unit, a registration and login unit, a storage unit and a deletion unit;
the data acquisition unit is used for acquiring the operating parameters of a plurality of diesel generator sets, a parallel operation bus A, a parallel operation bus B, a parallel operation main control cabinet A, a parallel operation main control cabinet B, an output switch cabinet UST1, an output switch cabinet UST2, an output switch cabinet UST3 and an output switch cabinet UST4 and sending the operating parameters to the storage unit for storage;
the registration login unit is used for submitting customer information for registration through a mobile phone terminal and sending the customer information which is successfully registered to the storage unit for storage; the client information includes name, mailbox and time of enrollment;
the sending unit is used for receiving the sending instruction and sending the operation parameters stored in the storage unit to a mailbox of the client;
the receiving and collecting unit is used for collecting the sending time of the operation parameters sent to the mailbox of the client, the time of the client clicking the operation parameters through the mailbox and the time length of checking the operation parameters and sending the time length to the analyzing unit;
the analysis unit is used for analyzing the sending time of the collected operation parameters sent to the mailbox of the client, the time of the client clicking the operation parameters through the mailbox and the time of checking the operation parameters to obtain the sending interval time, and the specific steps are as follows:
the method comprises the following steps: calculating the time difference between the sending time of the mailbox sent to the client and the time when the client clicks the operation parameter through the mailbox to obtain the click duration and marking the click duration as T1;
step two: setting the time length for the client to view the operation parameters as T2;
step three: using formulas
Obtaining the sending interval duration T of a client, wherein b1 and b2 are preset proportionality coefficients, and TJ is a preset basic duration;
step four: and acquiring the time of the next acquisition of the operation parameters in the storage unit by the data acquisition unit, and generating a sending instruction corresponding to the client and sending the sending instruction to the sending unit when the time difference between the current time of the system and the time of the operation parameters in the storage unit is equal to the interval duration T.
Preferably, the deleting unit is configured to delete the operating parameter stored in the storage unit, and specifically includes: and when the difference value between the current time of the system and the time of the operation parameter stored in the storage unit is equal to the set threshold value, deleting the operation parameter from the storage unit.
Compared with the prior art, the invention has the beneficial effects that:
1. the parallel operation bus A and the parallel operation bus B simultaneously supply power to a load, and the parallel operation bus A and the parallel operation bus B are simultaneously on line and mutually standby; the system comprises a diesel generator set, a parallel operation bus A and a parallel operation bus B, wherein the diesel generator set, the parallel operation bus A and the parallel operation bus B are connected in series;
2. the analysis unit analyzes the transmission time of the acquired operation parameters to the mailbox of the client, the time of the client clicking the operation parameters through the mailbox and the time for checking the operation parameters to obtain the transmission interval time, calculates the time difference between the transmission time of the mailbox transmitted to the client and the time of the client clicking the operation parameters through the mailbox to obtain the click time, obtains the transmission interval time T of the client by using a formula, obtains the time of the next acquisition of the operation parameters in the storage unit by the data acquisition unit, and generates a transmission instruction corresponding to the client and transmits the transmission instruction to the transmission unit when the time difference between the current time of the system and the time of the operation parameters in the storage unit is equal to the interval time T; the sending time of the operation parameter of the client to the mailbox of the client, the time of the client clicking the operation parameter through the mailbox and the time of checking the operation parameter are analyzed to obtain the sending interval time, and the time of sending the operation parameter to the client next time is further determined through the sending interval time, so that the operation parameter data can be conveniently and reasonably sent to the client.
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 functional block diagram of the present invention;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the parallel operation output double-bus simultaneous on-line mutual backup power supply control system for the diesel generator sets comprises a plurality of diesel generator sets, a parallel operation bus a, a parallel operation bus B, a parallel operation main control cabinet a, a parallel operation main control cabinet B, an output switch cabinet UST1, an output switch cabinet UST2, an output switch cabinet UST3, an output switch cabinet UST4 and a parameter monitoring module;
the method comprises the following steps that a plurality of diesel generating sets are connected in parallel and then output to a parallel bus A and a parallel bus B, the parallel bus A and the parallel bus B supply power to a load at the same time, and the parallel bus A and the parallel bus B are on line at the same time and are mutually standby; the diesel generator set comprises two paths of outputs, namely an output path I and an output path II;
the first output path is connected with the parallel machine main control cabinet A through an industrial Ethernet switch, and the second output path is connected with the parallel machine main control cabinet B through the industrial Ethernet switch;
the output end of the parallel machine bus A is connected with an output switch cabinet UST1 and an output switch cabinet UST2, and the output switch cabinet UST1 and the output switch cabinet UST2 are used for supplying power to the same lower-level load;
the output end of the parallel operation bus B is connected with the output switch cabinet UST3 and the output switch cabinet UST4, and the output switch cabinet UST3 and the output switch cabinet UST4 are used for supplying power to the same lower-level load.
Any one of the parallel operation main control cabinet A and the parallel operation main control cabinet B receives the commercial power fault, the communication mode is adopted to order the machine side control cabinet to start the diesel generator set, the machine side control cabinet detects that the machine side switch cabinet A and the machine side switch cabinet B are in switch-on, the voltage of the diesel generator set is consistent with the voltage, the frequency and the phase of the parallel operation bus A and the parallel operation bus B, and the machine side control cabinet controls the switch-on of the parallel operation bus A and the parallel operation bus B; after the voltage of the bus A, B is detected by the A/B, the A/B controls the B to switch on and supply power to the next stage load, when the A fails, the side control cabinet sends an opening command to the A, and switches the default voltage detection of the A to the B, and the GB is switched from the B to the B, and the state feedback of the B is switched at the same time.
And the parallel machine main control cabinet A and the parallel machine main control cabinet B are both provided with display screens.
The parameter monitoring module is used for providing remote monitoring for the client; the parameter monitoring module comprises a data acquisition unit, an analysis unit, a receiving acquisition unit, a sending unit, a registration and login unit, a storage unit and a deletion unit;
the data acquisition unit is used for acquiring the operating parameters of a plurality of diesel generator sets, a parallel operation bus A, a parallel operation bus B, a parallel operation main control cabinet A, a parallel operation main control cabinet B, an output switch cabinet UST1, an output switch cabinet UST2, an output switch cabinet UST3 and an output switch cabinet UST4 and sending the operating parameters to the storage unit for storage;
the registration login unit is used for submitting customer information for registration through the mobile phone terminal and sending the customer information which is successfully registered to the storage unit for storage; the client information includes name, mailbox and time of enrollment;
the sending unit is used for receiving the sending instruction and sending the operating parameters stored in the storage unit to a mailbox of the client;
the receiving and collecting unit is used for collecting the sending time of the operation parameters to the mailbox of the client, the time of the client clicking the operation parameters through the mailbox and the time length of checking the operation parameters and sending the time length to the analyzing unit;
the analysis unit is used for analyzing the sending time of the collected operation parameters to the mailbox of the client, the time of the client clicking the operation parameters through the mailbox and the time of checking the operation parameters to obtain the sending interval time, and the specific steps are as follows:
the method comprises the following steps: calculating the time difference between the sending time of the mailbox sent to the client and the time when the client clicks the operation parameter through the mailbox to obtain the click duration and marking the click duration as T1;
step two: setting the time length for the client to view the operation parameters as T2;
step three: using formulas
Obtaining the sending interval duration T of a client, wherein b1 and b2 are preset proportionality coefficients, and TJ is a preset basic duration;
step four: and acquiring the time of the next acquisition of the operation parameters in the storage unit by the data acquisition unit, and generating a sending instruction corresponding to the client and sending the sending instruction to the sending unit when the time difference between the current time of the system and the time of the operation parameters in the storage unit is equal to the interval duration T.
The deleting unit is used for deleting the operating parameters stored in the storage unit, and specifically comprises the following steps: and when the difference value between the current time of the system and the time of the operation parameter stored in the storage unit is equal to the set threshold value, deleting the operation parameter from the storage unit.
When the parallel-operation type diesel generating set is used, two paths of outputs are provided for the diesel generating sets, the diesel generating sets are parallelly connected and then output to the parallel-operation bus A and the parallel-operation bus B, the parallel-operation bus A and the parallel-operation bus B simultaneously supply power to a load, and the parallel-operation bus A and the parallel-operation bus B are simultaneously on line and mutually standby; the system comprises a diesel generator set, a parallel operation bus A and a parallel operation bus B, wherein the diesel generator set, the parallel operation bus A and the parallel operation bus B are used for monitoring the diesel generator set and the parallel operation bus in a centralized manner and providing the operation parameters for a client to monitor remotely; the analysis unit is used for analyzing the sending time of the collected operation parameters sent to the mailbox of the client, the time of the client clicking the operation parameters through the mailbox and the time of checking the operation parameters to obtain the sending interval time, calculating the time difference between the sending time of the mailbox sent to the client and the time of the client clicking the operation parameters through the mailbox to obtain the clicking time, and utilizing a formula to calculate the clicking time
Acquiring the sending interval duration T of a client, acquiring the time of the next acquisition of the operation parameters in the storage unit by the data acquisition unit, and generating a sending instruction corresponding to the client and sending the sending instruction to the sending unit when the time difference between the current time of the system and the time of the operation parameters in the storage unit is equal to the interval duration T; the sending time of the operation parameter of the client to the mailbox of the client, the time of the client clicking the operation parameter through the mailbox and the time of checking the operation parameter are analyzed to obtain the sending interval time, and the time of sending the operation parameter to the client next time is further determined through the sending interval time, so that the operation parameter data can be conveniently and reasonably sent to the client.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. The system is characterized by comprising a plurality of diesel generator sets, a parallel operation bus A, a parallel operation bus B, a parallel operation main control cabinet A, a parallel operation main control cabinet B, an output switch cabinet UST1, an output switch cabinet UST2, an output switch cabinet UST3, an output switch cabinet UST4 and a parameter monitoring module;
the method comprises the following steps that a plurality of diesel generating sets are connected in parallel and then output to a parallel bus A and a parallel bus B, the parallel bus A and the parallel bus B supply power to a load at the same time, and the parallel bus A and the parallel bus B are on line at the same time and are mutually standby; the diesel generator set comprises two paths of outputs, namely an output path I and an output path II;
the first output path is connected with the parallel machine main control cabinet A through an industrial Ethernet switch, and the second output path is connected with the parallel machine main control cabinet B through the industrial Ethernet switch;
the output end of the parallel machine bus A is connected with an output switch cabinet UST1 and an output switch cabinet UST2, and the output switch cabinet UST1 and the output switch cabinet UST2 are used for supplying power to the same lower-level load;
the output end of the parallel machine bus B is connected with an output switch cabinet UST3 and an output switch cabinet UST4, and the output switch cabinet UST3 and the output switch cabinet UST4 are used for supplying power to the same lower-level load;
the parameter monitoring module is used for providing remote monitoring for a client; the parameter monitoring module comprises a data acquisition unit, an analysis unit, a receiving acquisition unit, a sending unit, a registration and login unit, a storage unit and a deletion unit;
the data acquisition unit is used for acquiring the operating parameters of a plurality of diesel generator sets, a parallel operation bus A, a parallel operation bus B, a parallel operation main control cabinet A, a parallel operation main control cabinet B, an output switch cabinet UST1, an output switch cabinet UST2, an output switch cabinet UST3 and an output switch cabinet UST4 and sending the operating parameters to the storage unit for storage;
the registration login unit is used for submitting customer information for registration through a mobile phone terminal and sending the customer information which is successfully registered to the storage unit for storage; the client information includes name, mailbox and time of enrollment;
the sending unit is used for receiving the sending instruction and sending the operation parameters stored in the storage unit to a mailbox of the client;
the receiving and collecting unit is used for collecting the sending time of the operation parameters sent to the mailbox of the client, the time of the client clicking the operation parameters through the mailbox and the time length of checking the operation parameters and sending the time length to the analyzing unit;
the analysis unit is used for analyzing the sending time of the collected operation parameters sent to the mailbox of the client, the time of the client clicking the operation parameters through the mailbox and the time of checking the operation parameters to obtain the sending interval time, and the specific steps are as follows:
the method comprises the following steps: calculating the time difference between the sending time of the mailbox sent to the client and the time when the client clicks the operation parameter through the mailbox to obtain the click duration and marking the click duration as T1;
step two: setting the time length for the client to view the operation parameters as T2;
step three: using formulas
Obtaining the sending interval duration T of a client, wherein b1 and b2 are preset proportionality coefficients, and TJ is a preset basic duration;
step four: and acquiring the time of the next acquisition of the operation parameters in the storage unit by the data acquisition unit, and generating a sending instruction corresponding to the client and sending the sending instruction to the sending unit when the time difference between the current time of the system and the time of the operation parameters in the storage unit is equal to the interval duration T.
2. The system for controlling the simultaneous online mutual standby power supply of the parallel output double buses of the diesel generator set according to claim 1, wherein the parallel main control cabinet A and the parallel main control cabinet B are both provided with a display screen.
3. The system for controlling the simultaneous online mutual backup power supply of the parallel output double buses of the diesel generator set according to claim 1, wherein the deleting unit is used for deleting the operating parameters stored in the storage unit, and specifically comprises: and when the difference value between the current time of the system and the time of the operation parameter stored in the storage unit is equal to the set threshold value, deleting the operation parameter from the storage unit.
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| CN108234277A (en) * | 2016-12-21 | 2018-06-29 | 阿里巴巴集团控股有限公司 | A kind of mail transmission, the method and device of editor |
| 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 |
| CN210181470U (en) * | 2019-04-16 | 2020-03-24 | 上海科泰电源股份有限公司 | Centralized remote monitoring system of diesel generating set |
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| CN104539507A (en) * | 2013-08-27 | 2015-04-22 | 厦门三五互联科技股份有限公司 | Method for marking email reading state, email system and state server |
| CN106849160B (en) * | 2017-01-24 | 2019-05-14 | 华南理工大学 | A kind of suitable diesel-driven generator group independently coordinates grid-connected control method |
| CN111030527A (en) * | 2019-12-25 | 2020-04-17 | 孚创动力控制技术（启东）有限公司 | Intelligent terminal of diesel generating set based on narrow-band Internet of things and edge calculation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108234277A (en) * | 2016-12-21 | 2018-06-29 | 阿里巴巴集团控股有限公司 | A kind of mail transmission, the method and device of editor |
| 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 |
| CN210181470U (en) * | 2019-04-16 | 2020-03-24 | 上海科泰电源股份有限公司 | Centralized remote monitoring system of diesel generating set |
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