CN112821431A - Power supply system and control method thereof - Google Patents

Power supply system and control method thereof Download PDF

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Publication number
CN112821431A
CN112821431A CN202110216913.7A CN202110216913A CN112821431A CN 112821431 A CN112821431 A CN 112821431A CN 202110216913 A CN202110216913 A CN 202110216913A CN 112821431 A CN112821431 A CN 112821431A
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load
power
power generation
circuit
control
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CN202110216913.7A
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Chinese (zh)
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丛维民
王海鹏
陆珊珊
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Individual
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28Arrangements for balancing of the load in a network by storage of energy
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit 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
    • H02J9/06Circuit 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems 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
    • Y02B70/3225Demand response systems, e.g. load shedding, peak shaving
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/222Demand response systems, e.g. load shedding, peak shaving
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/248UPS systems or standby or emergency generators

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention discloses a power supply system and a control method thereof, comprising a power generation system, wherein the power generation system is connected with a transmission system in series through a circuit, the transmission system is connected with a load system in series through a circuit, the power generation system is connected with a detection system in parallel through a circuit, the detection system is connected with the transmission system and the load system in parallel through a circuit, the power generation system is connected with a control system in parallel through a circuit, the control system is connected with the transmission system and the load system in parallel through a circuit, the detection system and the load system are connected with the power generation system, the transmission system and the load system in parallel through a circuit, the integrated system can be uniformly detected and controlled, the safety and stability of power supply and power consumption are ensured, and the internal storage system and a standby storage module are matched for combination, the surplus electric quantity can be stored, and the stability and the safety of power supply are greatly improved, meanwhile, the method is beneficial to unified allocation, and is convenient and efficient.

Description

Power supply system and control method thereof
Technical Field
The present invention relates to the field of power supply systems, and in particular, to a power supply system and a control method of the power supply system.
Background
In the current social life and production, the use scale of electric power is getting larger and larger, and in the process of supplying electric power, load distribution needs to be carried out through a uniform electric power system, so that the safety and stability of power generation, transmission and power utilization are ensured.
However, in most of the existing power supply systems, three parties, namely power generation, power supply and power utilization, are directly connected with loads for supply, and then the respective systems are independently subjected to detection control, so that the global system cannot be subjected to detection control, safety timeliness is poor, and because the power utilization load demands in different periods are different and the load of the power generation system is constant, excess power generation or insufficient power supply is easily caused, so that the power supply system is disordered, and a new control method needs to be provided.
Disclosure of Invention
The present invention is directed to a power supply system and a method for controlling the power supply system, which solve the disadvantages of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the power supply system comprises a power generation system, wherein the power generation system is connected with a transmission system in series through a circuit, the transmission system is connected with a load system in series through a circuit, the power generation system is connected with a detection system in parallel through a circuit, the detection system is connected with the transmission system and the load system in parallel through a circuit, the power generation system is connected with a control system in parallel through a circuit, the control system is connected with the transmission system and the load system in parallel through a circuit, and the detection system and the load system are connected with the power generation system, the transmission system and the load system in parallel through a circuit.
Preferably, the power generation system comprises an internal power utilization system and an internal storage system, and the internal power utilization system and the internal storage system are connected in parallel to the detection system and the control system through a circuit.
Preferably, the transmission system comprises a civil system, a commercial system and a feedback system, and the feedback system is connected in series with the control system through a circuit.
Preferably, the load system includes a commercial load, and a spare storage module, the commercial load is connected in series to the commercial system through a circuit, and the commercial load is connected in series to the commercial system through a circuit.
Preferably, the standby storage module is connected in series to the civil system through a circuit, and the standby storage module is connected in parallel to the control system through a circuit.
Preferably, the detection system comprises a power detection module, a voltage detection module and an electricity consumption calculation module.
Preferably, the control system comprises a load control module, a voltage control module, a power compensation module and a power cut-off module.
Preferably, the control method includes the steps of:
s1, the power generation system generates power by operating the power generation equipment and is connected to the transmission system through a power grid and a transformer;
s2, the transmission system is connected to the civil load through the transformer and the civil system, and is connected to the commercial load through the commercial system for distinguishing power supply;
s3, detecting the three-party voltage and power by the detection system, and calculating the power consumption by the power consumption calculation module;
s4, if the power requirements of the civil load and the commercial load are inconsistent with the working load of the power generation system, the control system controls the power generation system;
s5, if the power load is larger than the power generation load, controlling the power generation system to increase power and improve power generation supply, and if the power load is smaller than the power generation load, starting the standby storage module to store power;
s6, if the detection system detects that the voltages are not matched, the feedback system feeds back the voltages;
and S7, the control system performs voltage control and load control through the feedback result and performs power compensation through the internal storage system.
Preferably, the step S5 further includes the following control modes:
p1, if the electric load is greater than 80% of the maximum load of the power generation load, starting the internal storage system to perform power compensation;
p2, if the electric load is greater than 100% of the maximum load of the power generation load, the control system cuts off the supply of part of commercial load and civil load through the power cutting module;
p3, if the power utilization load is less than 100% of the minimum load of the power generation load, starting a standby storage module for power utilization storage, and increasing the load;
p4, if the power consumption load is less than 50% of the minimum load of the power generation load, the internal storage system is started to perform internal storage, and the transmission load is reduced.
According to the power supply system and the control method of the power supply system, the power generation system is connected with the transmission system and the load system, commercial power supply and civil power supply are distinguished and respectively carried out, unified control management is facilitated, the detection system and the control system are connected in parallel to form three parts, unified detection and control can be carried out on the whole system, safety and stability of power supply and power utilization are guaranteed, surplus electric quantity can be stored by matching with the internal storage system and the standby storage module for combination, matching adjustment of power generation and power utilization is facilitated, stability and safety of power supply are greatly improved, unified allocation is facilitated, and convenience and high efficiency are achieved.
Drawings
FIG. 1 is a schematic block diagram of an overall system of the present invention;
FIG. 2 is a schematic block diagram of a detection system of the present invention;
fig. 3 is a schematic diagram of the control system of the present invention.
In the figure: the system comprises a power generation system 1, an internal power utilization system 11, an internal storage system 12, a transmission system 2, a civil system 21, a commercial system 22, a feedback system 23, a load system 3, a civil load 31, a commercial load 32, a spare storage module 33, a detection system 4, a power detection module 41, a voltage detection module 42, a power utilization calculation module 43, a control system 5, a load control module 51, a voltage control module 52, a power compensation module 53 and a power cutoff module 54.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The power supply system comprises a power generation system 1, wherein the power generation system 1 is serially connected with a transmission system 2 through a circuit, the transmission system 2 is serially connected with a load system 3 through a circuit, the power generation system 1 is parallelly connected with a detection system 4 through a circuit, the detection system 4 is parallelly connected with the transmission system 2 and the load system 3 through a circuit, the power generation system 1 is parallelly connected with a control system 5 through a circuit, the control system 5 is parallelly connected with the transmission system 2 and the load system 3 through a circuit, and the detection system 4 and the load system 5 are parallelly connected with the power generation system 1, the transmission system 2 and the load system 3 through circuits.
Preferably, the power generation system 1 includes an internal power utilization system 11 and an internal storage system 12, and the internal power utilization system 11 and the internal storage system 12 are electrically connected in parallel to the detection system 4 and the control system 5.
Preferably, the transmission system 2 comprises a civil system 21, a commercial system 22 and a feedback system 23, the feedback system 23 being connected in series to the control system 5 by means of an electric circuit.
Preferably, the load system 3 includes a consumer load 31, a commercial load 32 and a spare storage module 33, the consumer load 31 is connected in series to the consumer system 21 through a circuit, and the commercial load 32 is connected in series to the commercial system 22 through a circuit.
Preferably, the spare memory module 33 is connected in series to the civil system 21 by a circuit, and the spare memory module 33 is connected in parallel to the control system 5 by a circuit.
Preferably, the detection system 4 includes a power detection module 41, a voltage detection module 42 and a power consumption calculation module 43.
Preferably, the control system 5 includes a load control module 51, a voltage control module 52, a power compensation module 53 and a power cutoff module 54.
Preferably, the control method includes the steps of:
s1, the power generation system generates power by operating the power generation equipment and is connected to the transmission system through a power grid and a transformer;
s2, the transmission system is connected to the civil load through the transformer and the civil system, and is connected to the commercial load through the commercial system for distinguishing power supply;
s3, detecting the three-party voltage and power by the detection system, and calculating the power consumption by the power consumption calculation module;
s4, if the power requirements of the civil load and the commercial load are inconsistent with the working load of the power generation system, the control system controls the power generation system;
s5, if the power load is larger than the power generation load, controlling the power generation system to increase power and improve power generation supply, and if the power load is smaller than the power generation load, starting the standby storage module to store power;
s6, if the detection system detects that the voltages are not matched, the feedback system feeds back the voltages;
and S7, the control system performs voltage control and load control through the feedback result and performs power compensation through the internal storage system.
Preferably, the step S5 further includes the following control modes:
p1, if the electric load is greater than 80% of the maximum load of the power generation load, starting the internal storage system to perform power compensation;
p2, if the electric load is greater than 100% of the maximum load of the power generation load, the control system cuts off the supply of part of commercial load and civil load through the power cutting module;
p3, if the power utilization load is less than 100% of the minimum load of the power generation load, starting a standby storage module for power utilization storage, and increasing the load;
p4, if the power consumption load is less than 50% of the minimum load of the power generation load, the internal storage system is started to perform internal storage, and the transmission load is reduced.
According to the power supply system and the control method of the power supply system, the power generation system is connected with the transmission system and the load system, commercial power supply and civil power supply are distinguished and respectively carried out, unified control management is facilitated, the detection system and the control system are connected in parallel to form three parts, unified detection and control can be carried out on the whole system, safety and stability of power supply and power utilization are guaranteed, surplus electric quantity can be stored by matching with the internal storage system and the standby storage module for combination, matching adjustment of power generation and power utilization is facilitated, stability and safety of power supply are greatly improved, unified allocation is facilitated, and convenience and high efficiency are achieved.
Example 1
The power supply system comprises a power generation system 1, wherein the power generation system 1 is serially connected with a transmission system 2 through a circuit, the transmission system 2 is serially connected with a load system 3 through a circuit, the power generation system 1 is parallelly connected with a detection system 4 through a circuit, the detection system 4 is parallelly connected with the transmission system 2 and the load system 3 through a circuit, the power generation system 1 is parallelly connected with a control system 5 through a circuit, the control system 5 is parallelly connected with the transmission system 2 and the load system 3 through a circuit, and the detection system 4 and the load system 5 are parallelly connected with the power generation system 1, the transmission system 2 and the load system 3 through circuits.
Preferably, the power generation system 1 includes an internal power utilization system 11 and an internal storage system 12, and the internal power utilization system 11 and the internal storage system 12 are electrically connected in parallel to the detection system 4 and the control system 5.
Preferably, the transmission system 2 comprises a civil system 21, a commercial system 22 and a feedback system 23, the feedback system 23 being connected in series to the control system 5 by means of an electric circuit.
Preferably, the load system 3 includes a consumer load 31, a commercial load 32 and a spare storage module 33, the consumer load 31 is connected in series to the consumer system 21 through a circuit, and the commercial load 32 is connected in series to the commercial system 22 through a circuit.
Preferably, the spare memory module 33 is connected in series to the civil system 21 by a circuit, and the spare memory module 33 is connected in parallel to the control system 5 by a circuit.
Preferably, the detection system 4 includes a power detection module 41, a voltage detection module 42 and a power consumption calculation module 43.
Preferably, the control system 5 includes a load control module 51, a voltage control module 52, a power compensation module 53 and a power cutoff module 54.
Preferably, the control method includes the steps of:
s1, the power generation system generates power by operating the power generation equipment and is connected to the transmission system through a power grid and a transformer;
s2, the transmission system is connected to the civil load through the transformer and the civil system, and is connected to the commercial load through the commercial system for distinguishing power supply;
s3, detecting the three-party voltage and power by the detection system, and calculating the power consumption by the power consumption calculation module;
s4, if the power requirements of the civil load and the commercial load are inconsistent with the working load of the power generation system, the control system controls the power generation system;
s5, if the power load is larger than the power generation load, controlling the power generation system to increase power and improve power generation supply, and if the power load is smaller than the power generation load, starting the standby storage module to store power;
s6, if the detection system detects that the voltages are not matched, the feedback system feeds back the voltages;
and S7, the control system performs voltage control and load control through the feedback result and performs power compensation through the internal storage system.
Preferably, the step S5 further includes the following control modes:
p1, if the electric load is more than 65% of the maximum load of the power generation load, starting the internal storage system to compensate the electric power;
p2, if the electric load is larger than 90% of the maximum load of the power generation load, the control system cuts off the supply of part of commercial loads and civil loads through the power cutting module;
p3, if the power utilization load is less than 105% of the minimum load of the power generation load, starting a standby storage module to store the power utilization, and increasing the load;
p4, if the power consumption load is less than 45% of the minimum load of the power generation load, the internal storage system is started to perform internal storage, and the transmission load is reduced.
Example 2
The power supply system comprises a power generation system 1, wherein the power generation system 1 is serially connected with a transmission system 2 through a circuit, the transmission system 2 is serially connected with a load system 3 through a circuit, the power generation system 1 is parallelly connected with a detection system 4 through a circuit, the detection system 4 is parallelly connected with the transmission system 2 and the load system 3 through a circuit, the power generation system 1 is parallelly connected with a control system 5 through a circuit, the control system 5 is parallelly connected with the transmission system 2 and the load system 3 through a circuit, and the detection system 4 and the load system 5 are parallelly connected with the power generation system 1, the transmission system 2 and the load system 3 through circuits.
Preferably, the power generation system 1 includes an internal power utilization system 11 and an internal storage system 12, and the internal power utilization system 11 and the internal storage system 12 are electrically connected in parallel to the detection system 4 and the control system 5.
Preferably, the transmission system 2 comprises a civil system 21, a commercial system 22 and a feedback system 23, the feedback system 23 being connected in series to the control system 5 by means of an electric circuit.
Preferably, the load system 3 includes a consumer load 31, a commercial load 32 and a spare storage module 33, the consumer load 31 is connected in series to the consumer system 21 through a circuit, and the commercial load 32 is connected in series to the commercial system 22 through a circuit.
Preferably, the spare memory module 33 is connected in series to the civil system 21 by a circuit, and the spare memory module 33 is connected in parallel to the control system 5 by a circuit.
Preferably, the detection system 4 includes a power detection module 41, a voltage detection module 42 and a power consumption calculation module 43.
Preferably, the control system 5 includes a load control module 51, a voltage control module 52, a power compensation module 53 and a power cutoff module 54.
Preferably, the control method includes the steps of:
s1, the power generation system generates power by operating the power generation equipment and is connected to the transmission system through a power grid and a transformer;
s2, the transmission system is connected to the civil load through the transformer and the civil system, and is connected to the commercial load through the commercial system for distinguishing power supply;
s3, detecting the three-party voltage and power by the detection system, and calculating the power consumption by the power consumption calculation module;
s4, if the power requirements of the civil load and the commercial load are inconsistent with the working load of the power generation system, the control system controls the power generation system;
s5, if the power load is larger than the power generation load, controlling the power generation system to increase power and improve power generation supply, and if the power load is smaller than the power generation load, starting the standby storage module to store power;
s6, if the detection system detects that the voltages are not matched, the feedback system feeds back the voltages;
and S7, the control system performs voltage control and load control through the feedback result and performs power compensation through the internal storage system.
Preferably, the step S5 further includes the following control modes:
p1, if the electric load is larger than 75% of the maximum load of the power generation load, starting the internal storage system to compensate the power;
p2, if the electric load is greater than 110% of the maximum load of the power generation load, the control system cuts off the supply of part of commercial loads and civil loads through the power cutting module;
p3, if the power utilization load is less than 120% of the minimum load of the power generation load, starting a standby storage module for power utilization storage, and increasing the load;
p4, if the power consumption load is less than 60% of the minimum load of the power generation load, the internal storage system is started to perform internal storage, and the transmission load is reduced.

Claims (9)

1. A power supply system and a control method of the power supply system, including a power generation system (1), characterized in that: the power generation system (1) is established ties through the circuit and is had transmission system (2), transmission system (2) is established ties through the circuit and is had load system (3), power generation system (1) is parallelly connected through the circuit and has detecting system (4), detecting system (4) are parallelly connected in transmission system (2) and load system (3) through the circuit, power generation system (1) is parallelly connected through the circuit and has control system (5), control system (5) are parallelly connected in transmission system (2) and load system (3) through the circuit, detecting system (4) and load system (5) all are parallelly connected in power generation system (1), transmission system (2) and load system (3) through the circuit.
2. An electric power supply system according to claim 1, characterized in that: the power generation system (1) comprises an internal power utilization system (11) and an internal storage system (12), wherein the internal power utilization system (11) and the internal storage system (12) are connected in parallel to the detection system (4) and the control system (5) through circuits.
3. An electric power supply system according to claim 1, characterized in that: the transmission system (2) comprises a civil system (21), a commercial system (22) and a feedback system (23), wherein the feedback system (23) is connected with the control system (5) in series through a circuit.
4. An electric power supply system according to claim 1, characterized in that: the load system (3) comprises a civil load (31), a commercial load (32) and a spare storage module (33), wherein the civil load (31) is connected in series with the civil system (21) through a circuit, and the commercial load (32) is connected in series with the commercial system (22) through a circuit.
5. An electric power supply system according to claim 4, characterized in that: the standby storage module (33) is connected in series to the civil system (21) through a circuit, and the standby storage module (33) is connected in parallel to the control system (5) through a circuit.
6. An electric power supply system according to claim 1, characterized in that: the detection system (4) comprises a power detection module (41), a voltage detection module (42) and an electricity utilization calculation module (43).
7. An electric power supply system according to claim 1, characterized in that: the control system (5) comprises a load control module (51), a voltage control module (52), a power compensation module (53) and a power cut-off module (54).
8. A control method of an electric power supply system according to claim 1, characterized in that: the control method comprises the following steps:
s1, the power generation system generates power by operating the power generation equipment and is connected to the transmission system through a power grid and a transformer;
s2, the transmission system is connected to the civil load through the transformer and the civil system, and is connected to the commercial load through the commercial system for distinguishing power supply;
s3, detecting the three-party voltage and power by the detection system, and calculating the power consumption by the power consumption calculation module;
s4, if the power requirements of the civil load and the commercial load are inconsistent with the working load of the power generation system, the control system controls the power generation system;
s5, if the power load is larger than the power generation load, controlling the power generation system to increase power and improve power generation supply, and if the power load is smaller than the power generation load, starting the standby storage module to store power;
s6, if the detection system detects that the voltages are not matched, the feedback system feeds back the voltages;
and S7, the control system performs voltage control and load control through the feedback result and performs power compensation through the internal storage system.
9. A control method of an electric power supply system according to claim 8, characterized in that: the step S5 further includes the following control modes:
p1, if the electric load is greater than 80% of the maximum load of the power generation load, starting the internal storage system to perform power compensation;
p2, if the electric load is greater than 100% of the maximum load of the power generation load, the control system cuts off the supply of part of commercial load and civil load through the power cutting module;
p3, if the power utilization load is less than 100% of the minimum load of the power generation load, starting a standby storage module for power utilization storage, and increasing the load;
p4, if the power consumption load is less than 50% of the minimum load of the power generation load, the internal storage system is started to perform internal storage, and the transmission load is reduced.
CN202110216913.7A 2021-02-26 2021-02-26 Power supply system and control method thereof Pending CN112821431A (en)

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Application Number Priority Date Filing Date Title
CN202110216913.7A CN112821431A (en) 2021-02-26 2021-02-26 Power supply system and control method thereof

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Application Number Priority Date Filing Date Title
CN202110216913.7A CN112821431A (en) 2021-02-26 2021-02-26 Power supply system and control method thereof

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CN112821431A true CN112821431A (en) 2021-05-18

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US20130338843A1 (en) * 2012-06-18 2013-12-19 Reza Iravani Systems, methods and controllers for control of power distribution devices and systems
CN107394827A (en) * 2017-08-24 2017-11-24 赫普科技发展(北京)有限公司 The system that a kind of electrode boiler joint accumulation of energy facility carries out power grid frequency modulation
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