CN217590276U - Parallel operation control system of generator - Google Patents
Parallel operation control system of generator Download PDFInfo
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- CN217590276U CN217590276U CN202220145082.9U CN202220145082U CN217590276U CN 217590276 U CN217590276 U CN 217590276U CN 202220145082 U CN202220145082 U CN 202220145082U CN 217590276 U CN217590276 U CN 217590276U
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Abstract
本实用新型涉及发电机并机系统领域，公开了一种发电机的并机控制系统。并机控制系统包括：母排线、至少一个控制器、至少一个能源控板、至少一个发电机、至少一个控制器、至少一个断路器；控制器与能源控板连接，能源控板用于输出能源控制信号；控制器与断路器连接，控制器用于根据传导的能源控制信号，输出断合控制信号；断路器与发电机连接，断路器与母排线连接，断路器用于根据接收的断合控制信号，控制发电机与母排线的断开或闭合；母排线与预置公共电网连接，用于探测公共电网的电网功率，以便控制器根据电网功率，控制并机控制系统进行PQ并网模式与VF并机模式的切换；母排线与预置负载用电设备连接，用于输送电能至负载用电设备。
The utility model relates to the field of generator parallel system, and discloses a generator parallel control system. The parallel control system includes: busbar, at least one controller, at least one energy control panel, at least one generator, at least one controller, and at least one circuit breaker; the controller is connected to the energy control panel, and the energy control panel is used for outputting Energy control signal; the controller is connected with the circuit breaker, and the controller is used to output the breaking control signal according to the conducted energy control signal; the circuit breaker is connected with the generator, and the circuit breaker is connected with the busbar, and the circuit breaker is used for breaking according to the received The control signal controls the disconnection or closing of the generator and the busbar; the busbar is connected to the preset public grid to detect the grid power of the public grid, so that the controller can control the parallel control system to perform PQ and control according to the grid power. Switching between the grid mode and the VF parallel mode; the busbar is connected to the preset load electrical equipment to transmit electric energy to the load electrical equipment.
Description
Technical Field
The utility model relates to a generator parallel operation system field especially relates to a parallel operation control system of generator.
Background
The existing generator set only has a parallel operation function or a parallel operation function, and simultaneously meets the function, and a parallel operation cabinet is required to be added. Because the existing connection structure of the generator set has defects, the function of the generator set is single, and the parallel operation function cannot be well switched, a scheme is needed to solve the problems of single function, poor compatibility and inconvenient use in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at solves the function singleness compatibility of current generator parallel operation technique not strong, uses inconvenient technical problem.
The utility model discloses the first aspect provides a parallel operation control system of generator, parallel operation control system includes:
the system comprises a bus cable, at least one controller, at least one energy control board, at least one generator, at least one controller and at least one breaker;
the controller is connected with the energy control board, and the energy control board is used for outputting energy control signals;
the controller is connected with the circuit breaker and used for outputting a switching-on/off control signal according to the conducted energy control signal;
the circuit breaker is connected with the generator, connected with the busbar and used for controlling the generator to be disconnected or closed with the busbar according to the received on-off control signal;
the bus bar is connected with a preset public power grid and used for detecting the power grid power of the public power grid so that the controller can control the parallel operation control system to switch the PQ parallel operation mode and the VF parallel operation mode according to the power grid power;
the bus cable is connected with preset load electric equipment and used for transmitting electric energy to the load electric equipment.
Optionally, in the first implementation manner of the first aspect of the present invention, when the controller is greater than one, the controllers are connected to each other, so as to control the parallel operation control system to switch between the PQ parallel operation mode and the VF parallel operation mode.
Optionally, in a second implementation manner of the first aspect of the present invention, the controller includes a DSE8610 controller.
Optionally, in a third implementation manner of the first aspect of the present invention, the generator includes a diesel generator.
Optionally, in a fourth implementation manner of the first aspect of the present invention, the controller is connected to the energy control board through a shielded twisted pair.
The embodiment of the utility model provides an in, make generating set possess parallel operation, the function of being incorporated into the power networks through parallel control with generating set, can long-range automatic switch-over mode, the power regulation of unit under the mode of being incorporated into the power networks to and the unit is according to opening from opening under the condition that the power consumption load changes in a flexible way.
Drawings
Fig. 1 is a schematic diagram of an embodiment of a parallel operation control system of a generator according to an embodiment of the present invention;
fig. 2 is a schematic diagram of another embodiment of a parallel operation control system of a generator according to an embodiment of the present invention.
Detailed Description
The embodiment of the utility model provides a parallel operation control system of generator.
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in the description and claims of the present disclosure are not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Fig. 1 is a schematic diagram of an embodiment of a parallel operation control system of a generator, the parallel operation control system comprising: bus cable X, controller A j Energy source control board B j Generator C j And a controller D j And a circuit breaker E j Wherein j =1,2, 3.., N are positive integers; controller A j And an energy control board B j Connecting and energy control board B j For outputting an energy control signal; controller A j And a breaker E j Connected to, controller A j The energy source control circuit is used for outputting a switching-on/off control signal according to the conducted energy source control signal; circuit breaker E j And generator C j Connection, breaker E j Connected with a bus line X, a circuit breaker E j For controlling the generator C in response to a received on-off control signal j The disconnection or the connection with the bus cable X; the bus line X is connected with a preset public power grid and used for detecting the power of the public power grid so as to facilitate the controller A to j Controlling a parallel operation control system to switch between a PQ parallel operation mode and a VF parallel operation mode according to the power of a power grid; the bus cable X is connected with preset load electric equipment and used for transmitting electric energy to the load electric equipment.
When the load for transmitting electric energy is larger than the capacity of the common power grid power transformer, the energy control panel B j Sends down the command to the controller A j Make it make the generator C j Starting up the generator in a grid-connected mode PQ, and starting up the generator C j Automatic frequency adjustmentAfter the voltage and the phase position meet the synchronous condition, the controller controls the circuit breaker E j And switching on, so that the power generating set can output fixed power, and the power percentage can be adjusted to the bus bar end to share the electric load pressure of the public power grid. The capacity value of the transformer can be set under the condition of ensuring that the transformer of the public power grid does not exceed the capacity, and the generator C is kept j And operating in the optimal oil consumption loaded power section. And automatically starting the second generator, the third generator and the like according to the load working condition. Energy control board B j Monitoring the load working condition change and adjusting the generator C in real time j The percentage of the load capacity is used for ensuring that the transformer of the public power grid does not exceed the capacity to meet the normal field power utilization. When the load for transmitting electric energy is reduced, the energy control board B j Issuing a shutdown command according to the set value, and then sending the generator C j And opening the unloaded rear frame circuit breaker.
When the public power grid is suddenly powered off or the public power grid needs to be powered off for maintenance, the energy source control panel B can be used j And after the failure of the public power grid is detected. Immediately issue a command to the controller A j The generator C is enabled to be operated under the mode of converting from the PQ grid-connected mode to the VF grid-connected mode so as to ensure that the generator C j The electricity and the frequency of the power supply accord with the electricity utilization standard.
Further, fig. 2 shows another embodiment of the parallel operation control system of the generator, which is a schematic controller a 1 And a controller A 2 . N And the mutual connection is used for controlling the parallel operation control system to switch the PQ parallel operation mode and the VF parallel operation mode. Generator C without controllers connected to each other j The system has the functions of parallel operation and automatic start-stop of parallel operation. When the controllers are connected to each other, the overall generator C can be coordinated j The parallel operation and the grid connection functions are automatically switched under the condition of no power failure, and the generator C can be automatically adjusted according to the load under the grid connection mode j And outputting the power.
Further, controller A j Including DSE8610 controller A j 。
Further, a generator C j Comprising a diesel generator C j 。
Preferably, the controller A j And an energy control board B j Twinning by shieldingAnd (4) connecting the wires.
The embodiment of the utility model provides an in, make generating set possess parallel operation, the function of being incorporated into the power networks through parallel control with generating set, can long-range automatic switch-over mode, the power regulation of unit under the mode of being incorporated into the power networks to and the unit is according to opening from opening under the condition that the power consumption load changes in a flexible way.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A parallel control system of a generator, comprising:
the system comprises a bus cable, at least one controller, at least one energy control board, at least one generator and at least one breaker;
the controller is connected with the energy control board, and the energy control board is used for outputting energy control signals;
the controller is connected with the circuit breaker and used for outputting an on-off control signal according to the conducted energy control signal;
the circuit breaker is connected with the generator and the busbar, and is used for controlling the generator to be disconnected or closed with the busbar according to the received on-off control signal;
the bus bar is connected with a preset public power grid and used for detecting the power grid power of the public power grid so that the controller can control the parallel operation control system to switch the PQ parallel operation mode and the VF parallel operation mode according to the power grid power;
the bus cable is connected with preset load electric equipment and used for transmitting electric energy to the load electric equipment.
2. The system according to claim 1, wherein when there is more than one controller, the controllers are connected to each other for controlling the system to switch between the PQ grid-connected mode and the VF grid-connected mode.
3. The parallel machine control system of generators of claim 1, wherein the controller comprises a DSE8610 controller.
4. The parallel operation control system of generators of claim 1, wherein the generator comprises a diesel generator.
5. The parallel operation control system of the electric generator according to claim 1, wherein the controller is connected to the energy control board by a shielded twisted pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220145082.9U CN217590276U (en) | 2022-01-19 | 2022-01-19 | Parallel operation control system of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220145082.9U CN217590276U (en) | 2022-01-19 | 2022-01-19 | Parallel operation control system of generator |
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| Publication Number | Publication Date |
|---|---|
| CN217590276U true CN217590276U (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220145082.9U Active CN217590276U (en) | 2022-01-19 | 2022-01-19 | Parallel operation control system of generator |
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| CN (1) | CN217590276U (en) |
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- 2022-01-19 CN CN202220145082.9U patent/CN217590276U/en active Active
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