CN109193536B - High-power reactive power compensation system of intensive direct-current ice melting device - Google Patents
High-power reactive power compensation system of intensive direct-current ice melting device Download PDFInfo
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- CN109193536B CN109193536B CN201811108635.8A CN201811108635A CN109193536B CN 109193536 B CN109193536 B CN 109193536B CN 201811108635 A CN201811108635 A CN 201811108635A CN 109193536 B CN109193536 B CN 109193536B
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- circuit breaker
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- 238000002844 melting Methods 0.000 title claims abstract description 12
- 230000008018 melting Effects 0.000 title claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000004378 air conditioning Methods 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000005259 measurement Methods 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000002950 deficient Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- 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
Abstract
The invention discloses a high-power reactive power compensation system of an intensive direct-current ice melting device, which comprises a wire inlet cabinet, a starting cabinet, a power cabinet, a control cabinet, a cooling air conditioning unit and a circulating air duct, wherein the wire inlet cabinet is connected with the starting cabinet; the inlet wire cabinet, start cabinet and power cabinet arrange according to electrical connection order in proper order, the switch board is located the main control room of distant place, realize the communication through fiber connection between switch board and the power cabinet, cooling air conditioning unit is external to have the circulation wind channel, establish the heat dissipation wind channel in the power cabinet, be equipped with air outlet and air intake on the cabinet wall, the air outlet, the air intake all communicates with the heat dissipation wind channel, the air conditioning that cooling air conditioning unit produced is carried to air inlet department by the circulation wind channel and is got into the heat dissipation wind channel and dispel the heat to the power cabinet, after the work is accomplished, sink back flow to cooling air conditioning unit in the circulation wind channel from the air. The insulation effect is ensured, the tight arrangement is realized, and the occupied area is reduced; meanwhile, an air cooling heat dissipation mode is adopted, so that the reliability is good, the water-deficient area is suitable, and the application range is wide.
Description
Technical Field
The invention belongs to the technical field of electrical engineering, and particularly relates to a high-power reactive power compensation system of an intensive direct-current ice melting device.
Background
The direct-current ice melting is the most direct and effective means for the power grid to resist rain, snow and freezing disasters, and the safe and stable operation of the large power grid is powerfully guaranteed in the ice coating period in winter. However, the early dc ice melting device generally has a single functional structure, only has an ice melting function, and is only used when a line is iced in winter, so that the utilization rate of the device is extremely low, and the device is in an idle state for a long time. The intensive direct-current deicing device has a dynamic reactive power compensation function on the basis of direct-current deicing, so that the device can perform dynamic reactive power compensation on a power grid in a non-icing period, and the utilization rate of the device is greatly improved.
however, the reactive compensation part has a complex structure, and the cabinet body basically formed in the existing structure has large volume and large floor area; the device is complicated, loose in arrangement, lack of modular unit design and serious in space waste in order to meet the insulation requirement; and meanwhile, the later operation and maintenance cost is high. In addition, when the capacity of the device is large, a water cooling mode is generally adopted for heat dissipation, the reliability of the mode is low, and the mode is difficult to be developed in water-deficient and water-free areas. The defects restrict the popularization and the application of the intensive direct-current deicing device. Therefore, a high-power reactive compensation component structure which is simple, compact, small in occupied area, convenient to operate, maintain and repair and capable of achieving high-reliability air cooling and heat dissipation is urgently needed to be designed for the intensive direct-current ice melting device.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-power reactive power compensation system of an intensive direct-current ice melting device with closed air cooling heat dissipation, so that the insulation effect is ensured, the intensive direct-current ice melting device can be closely arranged, the compact structure is realized, and the occupied area is reduced.
The invention provides a high-power reactive power compensation system of an intensive direct-current ice melting device, which comprises a wire inlet cabinet, a starting cabinet, a power cabinet, a control cabinet, a cooling air conditioning unit and a circulating air duct, wherein the power cabinet is connected with the control cabinet; the inlet wire cabinet, start cabinet and power cabinet arrange according to electrical connection order in proper order, the switch board is located the main control room of distant place, realize the communication through fiber connection between switch board and the power cabinet, cooling air conditioning unit is external to have the circulation wind channel, establish the heat dissipation wind channel in the power cabinet, be equipped with air outlet and air intake on the cabinet wall, the air outlet, the air intake all communicates with the heat dissipation wind channel, the air conditioning that cooling air conditioning unit produced is carried to air inlet department by the circulation wind channel and is got into the heat dissipation wind channel and dispel the heat to the power cabinet, after the work is accomplished, sink back flow to cooling air conditioning unit in the circulation wind channel from the air.
In a specific embodiment, a trolley type circuit breaker, an isolation switch, a grounding switch and a measurement protection system are arranged inside the incoming line cabinet, the input end of the incoming line cabinet is connected with the starting cabinet, the output end of the incoming line cabinet is connected with an alternating current power grid through a cable, and the measurement protection system is used for controlling the trolley type circuit breaker to trip when the system fails so as to avoid power grid disturbance and damage to the device.
Preferably, the measurement protection system comprises a voltage transformer, a current transformer and a protection circuit, the protection circuit is connected with the voltage transformer and protects the voltage transformer, the protection circuit is connected with the current transformer and protects the current transformer, the voltage transformer is used for measuring a power grid voltage signal and uploading the power grid voltage signal to the control cabinet, the current transformer is used for outputting a current signal by the measuring device and uploading the current signal to the control cabinet, and the trolley type circuit breaker is controlled to be switched on or off according to the uploaded voltage measurement signal and current measurement signal.
the starting cabinet is internally provided with a loop for realizing soft start when the reactive compensation system is initially electrified, the loop comprises a fixed circuit breaker and a current-limiting resistor, the fixed circuit breaker is connected in parallel at two ends of the current-limiting resistor, the fixed circuit breaker is in a position division state when the reactive compensation system is initially electrified, an energy storage capacitor in the power module is charged by an alternating current power grid through the current-limiting resistor, and after the charging is finished, the fixed circuit breaker is controlled to be closed, and the soft start is finished.
The power cabinet is internally provided with an upper layer plate, a middle layer plate and a lower layer plate which correspond to A, B, C three phases, each layer plate is provided with a guide rail for mounting a power module, and each phase is provided with a redundant module; each power module comprises a complete H-bridge inverter circuit, and a bypass switch is arranged outside each power module, so that a fault module can be cut off through a mechanical bypass structure under the condition that no more than one module has a fault, and the reactive power compensation of the device is ensured to be continuously carried out.
The power modules in the power cabinets are arranged in a Z-shaped connection mode, the power modules in the power cabinets are connected in a star shape or a triangular shape, and the power modules on the same layer between the adjacent power cabinets are connected through copper bars.
the power cabinet has a plurality ofly, and the air intake of each power cabinet all is located the bottom of the cabinet body, and the air outlet all is located the top of the cabinet body, and the heat dissipation wind channel in every power cabinet passes through air intake and the mouth of blowing parallelly connected access circulation wind channel.
And the cabinet doors of the incoming line cabinet, the starting cabinet, the power cabinet and the control cabinet are all provided with locking logics.
According to the invention, the cooling air-conditioning unit is externally connected with the circulating air duct, the power cabinet is internally provided with the heat dissipation air duct, the wall of the cabinet is provided with the air outlet and the air inlet, the air outlet and the air inlet are both communicated with the heat dissipation air duct, cold air generated by the cooling air-conditioning unit is conveyed to the air inlet from the circulating air duct to enter the heat dissipation air duct to dissipate heat of the power cabinet, and the cold air is converged into the circulating air duct from the air outlet to flow back to the cooling air-conditioning unit after the work is finished, so that a closed heat dissipation circulating channel is formed, the; meanwhile, the invention adopts an air-cooled heat dissipation mode, has better reliability, can be suitable for water-deficient and water-deficient areas and has wide application range.
Drawings
Fig. 1 is a schematic layout of a preferred embodiment of the present invention.
Fig. 2 is a functional block diagram of the components in the inlet wire cabinet in the preferred embodiment.
Fig. 3 is a functional block diagram of the components in the start-up cabinet in the preferred embodiment.
Fig. 4 is a schematic sectional view of the power cabinet in the preferred embodiment.
Sequence numbers of the drawings:
1-incoming cabinet;
2-starting the cabinet;
3-power cabinet, 31-air inlet, 32-air outlet, 33-laminate, 34-guide rail, 35-power module;
4-control cabinet;
5, cooling the air conditioning unit;
6-circulating air duct;
7-latching logic.
Detailed Description
When the embodiment is applied to a transformer with a rated capacity of 100MVar and a rated voltage of 20kV, the transformer is arranged as shown in fig. 1, and comprises two incoming line cabinets 1, two starting cabinets 2, 22 power cabinets 3, 1 control cabinet 4, a cooling air conditioning unit 5 and a circulating air duct 6. Wherein inlet wire cabinet, start-up cabinet and power cabinet divide two rows and arrange, arrange according to the electrical connection order, arrange in the scene side by side, and the switch board sets up in the distant place master control room, communicates with other cabinet bodies through optic fibre. The control cabinet can switch the reactive compensation between a constant reactive power mode and a constant power factor mode, and meanwhile various electrical information in the reactive compensation component is controlled in the control cabinet in a converging mode. The output end of the incoming cabinet is connected to the secondary side of the transformer through a cable, the transformer is a three-winding transformer, and the primary side of the transformer is correspondingly connected with the three phases of the alternating current power grid respectively. The input end of the incoming cabinet is connected with the output end of the adjacent starting cabinet. The input end of the starting cabinet is connected with the output end of the adjacent power cabinet. The power modules in the power cabinet can be connected in a star shape or a triangle shape.
As shown in fig. 2, a trolley type circuit breaker, a grounding switch and a measurement protection system are arranged inside the incoming line cabinet 1, one end of the trolley type circuit breaker is connected with the output end of the cabinet body and used for being connected with an alternating current power grid, and the other end of the trolley type circuit breaker is connected with the input end of the cabinet body and connected with the starting cabinet. The grounding knife switch is arranged at the side, close to the starting cabinet, of the output end of the circuit breaker and used for ensuring reliable grounding of the device when the device is overhauled. The input end of the measurement protection system is connected with each sensor loop, the output end of the measurement protection system is connected with the circuit breaker control loop, and the circuit breaker is timely tripped to protect the device by collecting signals such as voltage and current inside the cabinet under the condition of failure. The measurement protection system comprises a voltage transformer, a current transformer and a protection circuit, wherein the protection circuit is respectively connected with the voltage transformer and the current transformer, the voltage transformer is used for measuring a power grid voltage signal at the output end of the incoming cabinet and uploading the voltage signal to the control cabinet, the current transformer is used for outputting a current signal by the measuring device and uploading the current signal to the control cabinet, the trolley type circuit breaker is controlled to be switched on or switched off according to the uploaded voltage measuring signal and current measuring signal, the trolley type circuit breaker is switched on or off to control the reactive compensation component to be switched on or switched off, and the trolley type circuit breaker is required to be pulled out when the. The input end of the incoming line cabinet is connected with the starting cabinet, the output end of the incoming line cabinet is connected with an alternating current power grid through a cable, and the measurement protection system is used for controlling the trolley type circuit breaker to trip when the system fails, so that power grid disturbance and damage to the device are avoided.
as shown in fig. 3, a loop for realizing soft start of the reactive compensation system during initial power-on is arranged in the starting cabinet 2, the loop includes a fixed circuit breaker and a current-limiting resistor, the fixed circuit breaker is connected in parallel with two ends of the current-limiting resistor, the fixed circuit breaker is in a separated position during initial power-on, the energy storage capacitor in the power module is charged by the alternating current power grid through the current-limiting resistor, and after charging is completed, the fixed circuit breaker is controlled to be closed, and the soft start is completed.
As shown in fig. 4, the cabinet body of the power cabinet 3 is a rectangular cabinet body, the cabinet wall at the bottom of the power cabinet is provided with an air inlet 31, the cabinet wall at the top of the power cabinet is provided with an air outlet 32, the air inlet is communicated with the air outlet, the inner cavity of the cabinet body is an airtight heat dissipation channel, each power cabinet is connected in parallel with a circulation air duct through the air inlet and the air outlet and is connected with a cooling air conditioning unit to form a closed circulation heat dissipation system, reliable heat dissipation of the internal power module unit is realized, meanwhile, insulation reduction caused by dirt in the cabinet body is avoided. Meanwhile, an upper layer plate 33, a middle layer plate 33 and a lower layer plate 33 are arranged in the power cabinet, corresponding to A, B, C three phases, guide rails 34 used for installing power modules are arranged on the layers plates, the guide rails 34 are made of glass fiber reinforced plastic, mechanical strength requirements are met, insulation requirements can be met, two power modules 35 are arranged on each guide rail, and the power modules can slide along the guide rails. Each phase is provided with a redundant module; each power module comprises a complete H-bridge inverter circuit, and a bypass switch is arranged outside each power module, so that a fault module can be cut off through the bypass switch under the condition that no more than one module has a fault, and the reactive power compensation of the device is ensured to be continuously carried out. The power cabinets are provided with a plurality of power cabinets, the air inlets of the power cabinets are positioned at the bottom of the cabinet body, the air outlets of the power cabinets are positioned at the top of the cabinet body, and the heat dissipation air channels in each power cabinet are connected into the circulating air channels in parallel through the air inlets and the air blowing openings; the power modules in the power cabinets are connected in a star shape or a triangular shape, and the power modules on the same layer between the adjacent power cabinets are connected by copper bars.
all be equipped with shutting logic 7 on the cabinet door of each cabinet body, shutting logic 7 includes limit travel switch and prevents maloperation electromagnetic lock, and the device operation in-process, electromagnetic lock will be in the actuation state all the time, and all cabinet doors all can't be opened. Meanwhile, when any cabinet door is not correctly closed, the relay nodes inside the travel switches are in a disconnected state, and all the relay nodes inside the travel switches are connected in series into a closing loop of the circuit breaker of the incoming line cabinet, so that when any cabinet door is not correctly closed, the circuit breaker in the incoming line cabinet cannot be closed, personal electric shock accidents caused by misoperation are prevented, and personal safety is guaranteed.
According to the invention, the cooling air conditioning unit is externally connected with the circulating air duct, the inner cavity of the power cabinet is the heat dissipation air duct, the wall of the cabinet is provided with the air outlet and the air inlet, the air outlet and the air inlet are both communicated with the heat dissipation air duct, cold air generated by the cooling air conditioning unit is conveyed to the air inlet from the circulating air duct to enter the heat dissipation air duct to dissipate heat of the power cabinet, and the cold air is converged into the circulating air duct from the air outlet to flow back to the cooling air conditioning unit after the work is completed, so that a closed heat dissipation circulating channel is formed, the insulation effect is ensured, the insulation reduction caused by the influence of dirt on the interior of; meanwhile, the invention adopts an air-cooled heat dissipation mode, has better reliability, can be suitable for water-deficient and water-deficient areas and has wide application range. The fault module can be quickly cut off through the bypass switch on the power module of each phase, the reactive power compensation of the device is ensured to be continuously carried out, and the working reliability of the device is greatly improved. The measurement protection system can timely send out a tripping command when the reactive compensation component fails, so that power grid disturbance and damage to the device are avoided.
Claims (7)
1. A high-power reactive power compensation system of an intensive direct-current ice melting device is characterized in that: the system comprises an incoming cabinet, a starting cabinet, a power cabinet, a control cabinet, a cooling air conditioning unit and a circulating air duct; the inlet cabinet, the starting cabinet and the power cabinet are sequentially arranged according to an electrical connection sequence, the control cabinet is positioned in a remote main control room, communication is realized between the control cabinet and the power cabinet through optical fiber connection, a circulating air duct is externally connected with the cooling air conditioning unit, a heat dissipation air duct is arranged in the power cabinet, an air outlet and an air inlet are arranged on the wall of the cabinet, the air outlet and the air inlet are both communicated with the heat dissipation air duct, cold air generated by the cooling air conditioning unit is conveyed to the air inlet from the circulating air duct to enter the heat dissipation air duct to dissipate heat of the power cabinet, and the cold air is converged into the circulating air duct from the air outlet to flow back;
A trolley type circuit breaker, a grounding switch and a measurement protection system are arranged in the incoming cabinet, one end of the trolley type circuit breaker is connected to the output end of the cabinet body and used for being connected with an alternating current power grid, and the other end of the trolley type circuit breaker is connected to the input end of the cabinet body and connected with the starting cabinet; the grounding disconnecting link is arranged at the side, close to the starting cabinet, of the output end of the circuit breaker and used for ensuring the reliable grounding of the device when the device is overhauled; the input end of the measurement protection system is connected with the sensor loop, the output end of the measurement protection system is connected with the circuit breaker control loop, and the circuit breaker is tripped in time to protect the device under the condition of failure by acquiring signals such as voltage signals, current and the like in the cabinet body and uploading the signals to the control cabinet; the input end of the incoming line cabinet is connected with the starting cabinet, the output end of the incoming line cabinet is connected with an alternating current power grid through a cable, and the measurement protection system is used for controlling the trolley type circuit breaker to trip when the system fails, so that power grid disturbance and damage to the device are avoided.
2. The intensive direct-current deicing device high-power reactive compensation system of claim 1, wherein: the measurement protection system comprises a voltage transformer, a current transformer and a protection circuit, the protection circuit is respectively connected with the voltage transformer and the current transformer to protect the device, the voltage transformer is used for measuring a power grid voltage signal and uploading the voltage signal to the control cabinet, the current transformer is used for outputting a current signal and uploading the current signal to the control cabinet, and the trolley type circuit breaker is controlled to be switched on and off according to the uploaded voltage measurement signal and current measurement signal.
3. The intensive direct-current deicing device high-power reactive compensation system of claim 1, wherein: the starting cabinet is internally provided with a loop for realizing soft start when the reactive compensation system is initially electrified, the loop comprises a fixed circuit breaker and a current-limiting resistor, the fixed circuit breaker is connected in parallel at two ends of the current-limiting resistor, the fixed circuit breaker is in a position division state when the reactive compensation system is initially electrified, an energy storage capacitor in the power module is charged by an alternating current power grid through the current-limiting resistor, and after the charging is finished, the fixed circuit breaker is controlled to be closed, and the soft start is finished.
4. The intensive direct-current deicing device high-power reactive compensation system of claim 1, wherein: the power cabinet is internally provided with an upper layer plate, a middle layer plate and a lower layer plate which correspond to A, B, C three phases, each layer plate is provided with a guide rail for mounting a power module, and each phase is provided with a redundant module; each power module comprises a complete H-bridge inverter circuit, and a bypass switch is arranged outside each power module, so that a fault module can be cut off through a mechanical bypass structure under the condition that no more than one module has a fault, and the reactive power compensation of the device is ensured to be continuously carried out.
5. The intensive direct-current deicing device high-power reactive compensation system of claim 4, wherein: the power modules in the power cabinets are arranged in a Z-shaped connection mode, the power modules in the power cabinets are connected in a star shape or a triangular shape, and the power modules on the same layer between the adjacent power cabinets are connected through copper bars.
6. the intensive direct-current deicing device high-power reactive compensation system of claim 1, wherein: the power cabinet has a plurality ofly, and the air intake of each power cabinet all is located the bottom of the cabinet body, and the air outlet all is located the top of the cabinet body, and the heat dissipation wind channel in every power cabinet passes through air intake and the mouth of blowing parallelly connected access circulation wind channel.
7. The intensive direct-current deicing device high-power reactive compensation system of claim 1, wherein: and the cabinet doors of the incoming line cabinet, the starting cabinet, the power cabinet and the control cabinet are all provided with locking logics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108635.8A CN109193536B (en) | 2018-09-21 | 2018-09-21 | High-power reactive power compensation system of intensive direct-current ice melting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108635.8A CN109193536B (en) | 2018-09-21 | 2018-09-21 | High-power reactive power compensation system of intensive direct-current ice melting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109193536A CN109193536A (en) | 2019-01-11 |
| CN109193536B true CN109193536B (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811108635.8A Active CN109193536B (en) | 2018-09-21 | 2018-09-21 | High-power reactive power compensation system of intensive direct-current ice melting device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112086876A (en) * | 2020-09-29 | 2020-12-15 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Local cabinet of remote control system of automatic wiring device for ground wire ice melting |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2505903C1 (en) * | 2012-06-14 | 2014-01-27 | Открытое Акционерное Общество "Федеральная Сетевая Компания Единой Энергетической Системы" (Оао "Фск Еэс") | Intergrated apparatus for compensation of reactive power and melting ice cover (version) |
| CN205453049U (en) * | 2015-12-28 | 2016-08-10 | 中电普瑞科技有限公司 | Portable ice -melt device with static synchronous compensation function |
| CN105514905B (en) * | 2015-12-28 | 2023-08-25 | 中电普瑞科技有限公司 | Movable ice melting device with STATCOM function |
| CN207039145U (en) * | 2017-08-16 | 2018-02-23 | 国网湖南省电力公司 | Intensive DC de-icing device with cogeneration function |
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2018
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| CN109193536A (en) | 2019-01-11 |
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