CN213151664U - 35KV indoor high-voltage complete dynamic compensation device - Google Patents
35KV indoor high-voltage complete dynamic compensation device Download PDFInfo
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- CN213151664U CN213151664U CN202022069873.1U CN202022069873U CN213151664U CN 213151664 U CN213151664 U CN 213151664U CN 202022069873 U CN202022069873 U CN 202022069873U CN 213151664 U CN213151664 U CN 213151664U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
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Abstract
The utility model discloses a power transmission and distribution technical field's a 35KV indoor formula high pressure complete set dynamic compensation device, include: a bus bar; the phase control compensation controller is connected to the bus in parallel; the overvoltage absorbing device is connected to the bus in parallel; the controllable reactor is connected in series with the phase control compensation controller; the discharging device is connected in parallel to the bus; a filter capacitor connected in parallel to the bus bar; the filter reactor is connected in parallel to the bus; on-line microcomputer monitoring protection device, on-line microcomputer monitoring protection device connects in parallel on the bus, the utility model discloses can improve regional power network system voltage stability level of 35KV and voltage safety margin, simultaneously, improve the idle reserve level of receiving end electric wire netting developments, improve the current-carrying capacity, the accident ability is resisted in the reinforcing.
Description
Technical Field
The utility model relates to a power transmission and distribution technical field specifically is a 35KV indoor high pressure complete set dynamic compensation device.
Background
The concept of power transmission and distribution includes three aspects, namely power transmission, power transformation and power distribution. The power transmission refers to the transmission of electric energy, and through power transmission, a power plant which is far away (can reach thousands of kilometers) is connected with a load center, so that the development and the utilization of the electric energy exceed the limit of regions; the transformation refers to the process of converting voltage from low level to high level (boosting) or converting high level to low level by using certain equipment, and the distribution is a distribution means for distributing power to users in an electric energy consumption area, and directly serves the users.
The 35KV transformer substation is a high voltage place of 35KV, and in order to transmit the electric energy generated by the power plant to a distant place, the voltage must be increased to become high voltage, and then the voltage is decreased as required near the user, and the voltage increasing and decreasing work is completed by the transformer substation. A substation is an electrical facility in an electrical power system that transforms voltage, receives and distributes electrical energy, controls the flow of electrical power, and regulates voltage, and it connects the grids of the various levels of voltage through its transformers. The substation is in a specific environment; is an AC-DC-AC conversion process. Like submarine power transmission cables and long-distance transportation. Some adopt high-voltage direct-current power transmission and transformation forms. The direct current transmission overcomes the capacitive reactance loss of the alternating current transmission. Has the energy-saving effect. The main equipment and the connection mode of the transformer substation are different according to different functions.
The 35KV high-voltage complete compensation device in China is mainly installed outdoors, and the technical development is as follows: (1) the synchronous phase modifier is eliminated because of large loss and old technology; (2) fixed compensation (HV-FC), no adjustable reactive capacity for long term presence; (3) thyristor phase-controlled reactor type (TCR + FC) and TCR + TSC combined compensation and step regulation are mainly suitable for a power distribution system; the operation and maintenance workload is large, and the noise is large; (4) the Static Var Compensator (SVC) has the defects of advanced technical principle, troublesome maintenance, high operating cost, large damage of the valve bank auxiliary radiation electromagnetism, higher failure rate of a control system and the like, and a valve bank needs to be cooled by water or an air conditioner.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a 35KV indoor high-voltage complete dynamic compensation device, which aims to solve the problems of the synchronous phase modulator proposed in the background technology that the loss is large, the technology is obsolete, fixed compensation (HV-FC) is adopted, no adjustable reactive capacity exists for a long time, thyristor phase-controlled reactor (TCR + FC) and TCR + TSC are combined for compensation, and stepped adjustment is realized, so that the device is mainly suitable for a power distribution system; the operation and maintenance workload is large, the noise is large, the technical principle of a Static Var Compensator (SVC) is advanced, the maintenance is troublesome, the valve bank needs to be cooled by water or an air conditioner, the operation cost is high, the auxiliary radiation electromagnetic hazard of the valve bank is large, and the failure rate of a control system is high.
In order to achieve the above object, the utility model provides a following technical scheme: a35 KV indoor high-voltage complete dynamic compensation device comprises:
a bus bar;
the phase control compensation controller is connected to the bus in parallel;
the overvoltage absorbing device is connected to the bus in parallel and is arranged on the right side of the phase control compensation controller;
the controllable reactor is connected in series with the phase control compensation controller;
the discharging device is connected to the bus in parallel and is arranged on the right side of the overvoltage absorbing device;
a filter capacitor connected in parallel to the bus bar, the filter capacitor being on the right side of the discharging device;
the filter reactor is connected in parallel to the bus, and is arranged on the left side of the phase control compensation controller;
the vacuum contactor is connected in parallel on the bus, and the vacuum contactor is arranged on the left side of the filter reactor;
and the online microcomputer monitoring and protecting device is connected in parallel to the bus, and is arranged on the left side of the vacuum contactor.
Preferably, the bus bar is a 35KV bus bar.
Preferably, the phase control compensation controller is a digital phase control compensation controller.
Preferably, the controllable reactor is a magnetic valve type controllable reactor.
Preferably, the filter capacitor is a high voltage filter capacitor.
Preferably, the filter reactor is a high-voltage filter reactor.
Preferably, the vacuum contactor is a high-pressure vacuum contactor.
Preferably, the online microcomputer monitoring protection device is a capacitor bank online microcomputer monitoring protection device.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model can improve the voltage stability level and the voltage safety margin of the 35KV regional power network system, meanwhile, the dynamic reactive power reserve level of a receiving-end power grid is improved, the power receiving capacity is improved, the accident resistance is enhanced, the digital phase control compensation controller, the capacitor bank on-line microcomputer monitoring protection device and the magnetic valve type controllable reactor MCR are used as core components, the response speed is high, the overvoltage and overcurrent parameter fixed value setting operation is convenient and flexible, the capacity value early warning monitoring is implemented, the maintenance-free operation is realized, the magnetic valve type controllable reactor has the advantages of improved reliability, extremely low operating cost, mature technology, replacement of a complex SVC cooling system, reduction of installation floor area of the whole complete device, quick dynamic response of rough and fine adjustment of reactive power adapting to a power transmission and distribution system, maintenance-free operation, and capability of networking remote control and operation by accessing a 35KV power transmission and distribution monitoring SCADA system.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 100 bus, 200 phase control compensation controller, 300 overvoltage absorbing device, 400 controllable reactor, 500 discharging device, 600 filter capacitor, 700 filter reactor, 800 vacuum contactor, 900 on-line microcomputer monitoring protection device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a complete set of dynamic compensation arrangement of indoor formula high pressure of 35KV can improve regional power network system voltage stability level of 35KV and voltage safety margin, simultaneously, improves the idle reserve level of receiving end electric wire netting developments, improves the capacity of receiving power, and the accident ability is resisted in the reinforcing, please refer to figure 1, include: the system comprises a bus 100, a phase control compensation controller 200, an overvoltage absorption device 300, a controllable reactor 400, a discharge device 500, a filter capacitor 600, a filter reactor 700, a vacuum contactor 800 and an online microcomputer monitoring protection device 900;
the bus 100 is a 35KV bus;
the phase control compensation controller 200 is characterized in that the phase control compensation controller 200 is connected on the bus 100 in parallel, and the phase control compensation controller 200 is a digital phase control compensation controller;
the overvoltage absorbing device 300, the overvoltage absorbing device 300 is connected in parallel on the bus 100, and the overvoltage absorbing device 300 is arranged on the right side of the phase control compensation controller 200;
the controllable reactor 400, the controllable reactor 400 is connected in series on the phase control compensation controller 200, the controllable reactor 400 is a magnetic valve type controllable reactor;
the discharging device 500, the discharging device 500 is connected in parallel on the bus 100, the discharging device 500 is on the right side of the overvoltage absorbing device 300;
the filter capacitor 600, the filter capacitor 600 is connected in parallel to the bus 100, the filter capacitor 600 is arranged on the right side of the discharging device 500, the filter capacitor 600 is a high-voltage filter capacitor, and the filter reactor 700 is a high-voltage filter reactor;
the filter reactor 700, the filter reactor 700 is connected in parallel on the bus 100, and the filter reactor 700 is arranged on the left side of the phase control compensation controller 200;
the vacuum contactor 800 is connected on the bus 100 in parallel, the vacuum contactor 800 is arranged on the left side of the filter reactor 700, and the vacuum contactor 800 is a high-voltage vacuum contactor;
the online microcomputer monitoring protection device 900 is characterized in that the online microcomputer monitoring protection device 900 is connected on the bus 100 in parallel, the online microcomputer monitoring protection device 900 is arranged on the left side of the vacuum contactor 800, and the online microcomputer monitoring protection device 900 is a capacitor bank online microcomputer monitoring protection device.
The utility model discloses with digital phase control compensation controller and the online computer monitoring protection device of capacitor bank, the controllable reactor MCR of magnetic valve formula is as core component, response speed is fast, excessive pressure, it is nimble that the constant value of overcurrent parameter sets for convenient operation, implement appearance value early warning monitoring, the maintenance-free operation, the reliability improves, the working costs is extremely low, the controllable reactor of magnetic valve formula of technological maturity, the cooling system that the SVC is complicated has been replaced, whole integrated equipment has the installation area to reduce, the adaptation is transmitted electricity, the reactive power of distribution system finely tunes dynamic response fast, the maintenance-free operation, insert 35KV power transmission and distribution control SCADA system and can the long-range regulation and control operation of network deployment.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. A35 KV indoor high-voltage complete dynamic compensation device is characterized in that: the method comprises the following steps:
a bus bar (100);
the phase control compensation controller (200), the phase control compensation controller (200) is connected in parallel on the bus (100);
an overvoltage absorbing device (300), wherein the overvoltage absorbing device (300) is connected on the bus (100) in parallel, and the overvoltage absorbing device (300) is arranged on the right side of the phase control compensation controller (200);
a controllable reactor (400), wherein the controllable reactor (400) is connected in series with the phase control compensation controller (200);
a discharge device (500), wherein the discharge device (500) is connected in parallel to the bus (100), and the discharge device (500) is arranged at the right side of the overvoltage absorbing device (300);
a filter capacitor (600), the filter capacitor (600) being connected in parallel on the bus bar (100), the filter capacitor (600) being on the right side of the discharge device (500);
a filter reactor (700), wherein the filter reactor (700) is connected in parallel on the bus (100), and the filter reactor (700) is arranged on the left side of the phase control compensation controller (200);
a vacuum contactor (800), the vacuum contactor (800) being connected in parallel on the bus bar (100), the vacuum contactor (800) being on the left side of the filter reactor (700);
the on-line microcomputer monitoring protection device (900), the on-line microcomputer monitoring protection device (900) is connected on the bus (100) in parallel, and the on-line microcomputer monitoring protection device (900) is arranged on the left side of the vacuum contactor (800).
2. The 35KV indoor high-voltage complete dynamic compensation device according to claim 1, characterized in that: the bus (100) is a 35KV bus.
3. The 35KV indoor high-voltage complete dynamic compensation device according to claim 1, characterized in that: the phase control compensation controller (200) is a digital phase control compensation controller.
4. The 35KV indoor high-voltage complete dynamic compensation device according to claim 1, characterized in that: the controllable reactor (400) is a magnetic valve type controllable reactor.
5. The 35KV indoor high-voltage complete dynamic compensation device according to claim 1, characterized in that: the filter capacitor (600) is a high voltage filter capacitor.
6. The 35KV indoor high-voltage complete dynamic compensation device according to claim 1, characterized in that: the filter reactor (700) is a high-voltage filter reactor.
7. The 35KV indoor high-voltage complete dynamic compensation device according to claim 1, characterized in that: the vacuum contactor (800) is a high-pressure vacuum contactor.
8. The 35KV indoor high-voltage complete dynamic compensation device according to claim 1, characterized in that: the on-line microcomputer monitoring protection device (900) is a capacitor bank on-line microcomputer monitoring protection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022069873.1U CN213151664U (en) | 2020-09-21 | 2020-09-21 | 35KV indoor high-voltage complete dynamic compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022069873.1U CN213151664U (en) | 2020-09-21 | 2020-09-21 | 35KV indoor high-voltage complete dynamic compensation device |
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| Publication Number | Publication Date |
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| CN213151664U true CN213151664U (en) | 2021-05-07 |
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| CN202022069873.1U Active CN213151664U (en) | 2020-09-21 | 2020-09-21 | 35KV indoor high-voltage complete dynamic compensation device |
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