CN201126981Y - UPS system for transformer substation of 220kV voltage class and above - Google Patents
UPS system for transformer substation of 220kV voltage class and above Download PDFInfo
- Publication number
- CN201126981Y CN201126981Y CNU2007201987321U CN200720198732U CN201126981Y CN 201126981 Y CN201126981 Y CN 201126981Y CN U2007201987321 U CNU2007201987321 U CN U2007201987321U CN 200720198732 U CN200720198732 U CN 200720198732U CN 201126981 Y CN201126981 Y CN 201126981Y
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- CN
- China
- Prior art keywords
- ups
- main frame
- standby host
- transformer station
- electric pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model relates to an UPS system for a transformer substation, especially an UPS system for transformer substation over 220kV voltage level, comprising 2 UPS, wherein one UPS is used as a primary set, while the other one is used as a secondary set, characterized in that the UPS secondary set is in parallel connection with an inspection bypass loop, an electric bypass loop in AC circuit in parallel, input end of the UPS primary set is respectively connected with a AC power supply and a DC power supply, the output end of the UPS primary is connected in the AC circuit after being connected with the other inspection bypass loop, the other electric bypass loop and the UPS secondary set in parallel, the AC output of the secondary set is used as bypass input of the primary set. By using the technical scheme, the utility model can effectively solve problems of improper configuration of UPS system for substation and waste on resources, in order to save resources and ensure normal function of the transformer substation.
Description
Technical field
The utility model relates to the ups system of transformer station, particularly a kind of ups system that is used for 220KV and above electric pressure transformer station.
Background technology
Ups power is to ensure the stable and successional visual plant of power supply, thereby provides ac uninterrupted power supply to guarantee the continuous of power supply for equipment such as automated system, micro_computer five_proof device and scheduling recording system in the transformer station station in national grid and stablize extremely important.
Different electric pressure transformer station should be equipped with corresponding ups system, uses with the operate as normal and the reasonable resources that guarantee different electric pressure transformer station.But the configuration of the ups system of present transformer station has very big randomness, is unfavorable for the reasonable resources use, can not guarantee the operate as normal of transformer station well.
Summary of the invention
The purpose of this utility model is to solve the randomness of above-mentioned transformer station ups system configuration and the waste problem of resource, and the ups system of a kind of 220KV of being used for and above electric pressure transformer station is provided.This system can guarantee the operate as normal of transformer station well.
Realize that the object of the invention technical scheme is: the ups system of a kind of 220KV of being used for and above electric pressure transformer station, this system comprises 2 UPS, adopt principal and subordinate's heat to be equipped with mode, 1 UPS is as main frame, 1 as standby host, wherein, described UPS standby host is parallel in the alternating current circuit with maintenance bypass loop, electronics bypass loop
Described UPS main frame input is connected with DC power supply with AC power respectively, the output of described UPS main frame be connected in the alternating current circuit after another maintenance bypass loop, another electronics bypass loop and described UPS standby host are in parallel, standby host exchanges output and imports as the main frame bypass.
Further, during described UPS hostdown, the UPS standby host comes into operation automatically, and described UPS main frame and UPS standby host switching time are less than 4ms.
Further, be provided with can be at the related output device of main frame UPS screen is whole uninterrupted AC power output when withdrawing from for described standby host UPS screen.
Further, described active and standby 2 UPS AC power are used from different stations respectively and are become, and DC power supply is respectively from different dc bus sections.
Whether normal preferably, described ups system has the operation simulation drawing, have running status, particularly the inverter work that can intuitively show each parts and electronic switch reality run indicator on this simulation drawing.
Preferably, described ups system has the LCDs of the information demonstration that can not disappear after the power down of operating state and fault memory, and state and unusual indication alarm window are arranged.
Alternatively, comprise input isolating transformer, rectifier, inverter, output isolation transformer, the static switch of series connection successively in described UPS main frame or the standby host, wherein,
Described input isolating transformer outputs to described rectifier after the alternating current transformation with input when being used for the UPS operate as normal;
Described rectifier is used for the alternating current voltage stabilizing with input, the commutating voltage that output amplitude is constant substantially;
Described static switch is used for going to described electronics bypass power supply by described static diverter switch when described inverter is imported unusual or fault.
Further, comprise also in described UPS main frame or the standby host that an end is connected with DC power supply, the input isolating diode that the other end is in parallel with described rectifier, this input isolating diode is used for when alternating current does not have, described direct current after described input isolating diode voltage stabilizing is handled to described inverter power supply.
Owing to adopted above-mentioned technical solution, solved the randomness of transformer station's ups system configuration and the waste problem of resource fully, saved the use of resource, guaranteed the operate as normal of transformer station better.
Description of drawings
Fig. 1 is used for the ups system structural representation of 220KV and above electric pressure transformer station for the utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and embodiments.
With reference to figure 1, a kind of ups system that is used for 220KV and above electric pressure transformer station, this system comprises 2 UPS, adopt principal and subordinate's heat to be equipped with mode, 1 UPS is as main frame, and 1 as standby host, it is characterized in that, described UPS standby host 1 is parallel in the alternating current circuit with maintenance bypass loop 2, electronics bypass loop 3
Described UPS main frame 4 inputs are connected with DC power supply with AC power respectively, be connected in the alternating current circuit after the output of described UPS main frame 4 and another maintenance bypass loop 6, another electronics bypass loop 5 and described UPS standby host 1 are in parallel, standby host exchanges output and imports as the main frame bypass.
Further, during described UPS main frame 4 faults, UPS standby host 1 comes into operation automatically, and described UPS main frame and UPS standby host switching time are less than 4ms.
Further, be provided with can be at the related output device of main frame UPS screen is whole uninterrupted AC power output when withdrawing from for described standby host UPS screen.
Further, described active and standby 2 UPS AC power are used from different stations respectively and are become, and DC power supply is respectively from different dc bus sections.
Whether normal preferably, described ups system has the operation simulation drawing, have running status, particularly the inverter work that can intuitively show each parts and electronic switch reality run indicator on this simulation drawing.
Preferably, described ups system has the LCDs of the information demonstration that can not disappear after the power down of operating state and fault memory, and state and unusual indication alarm window are arranged.
Alternatively, the input isolating transformer 41, rectifier 42, inverter 43, output isolation transformer 44, the static switch 45 that comprise series connection successively in the described UPS main frame 4, the input isolating transformer 11, rectifier 12, inverter 13, output isolation transformer 14, the static switch 15 that comprise series connection successively in the described UPS standby host 1, wherein
Described input isolating transformer outputs to described rectifier after the alternating current transformation with input when being used for the UPS operate as normal;
Described rectifier is used for the voltage stabilizing of input AC electric current, the commutating voltage that output amplitude is constant substantially;
Described static switch is used for going to described electronics bypass power supply by described static diverter switch when described inverter is imported unusual or fault.
Further, comprise also in described UPS main frame or the standby host that an end is connected with DC power supply, the input isolating diode 46 or 16 that the other end is in parallel with described rectifier, this input isolating diode is used for when alternating current does not have, described direct current after described input isolating diode voltage stabilizing is handled to described inverter power supply.
Above-mentioned 220kV and the ups system specification requirement of above electric pressure transformer station are specific as follows:
1) transformer station stands under the situation about having a power failure entirely, transformer station's ups system at full capacity, supplying time must not be less than 2h continuously.
2) UPS of 220kV transformer station input power supply after the AC power dead electricity, automatically switches to the dc inversion power supply based on AC power.
3) the ups system input and output comprise that bypass should be provided with jamproof quarantine measures, and the transient interference of the using electricity system that prevents to stand enters load side.
4) be under 380V/220V (85-115%), frequency 50Hz ± 4%, input direct voltage 220V/110V ± 20% condition at the ups system input ac voltage, every technical indicator of its output satisfies following the requirement:
Voltage stability: output voltage is under the earth-free output situation of single-phase 220V, two-wire, stability requirement; Be not more than during stable state ± 2%; Be not more than in the transient process ± 10%.
Frequency stability: the output rated frequency is 50Hz, stability requirement, be not more than during stable state ± 1%; Be not more than in the transient process ± 2%.
Waveform distortion: output voltage is sinusoidal wave, and total waveform distortion is not more than 5%.
Overload capacity: inverter overload capacity, 120%, 10min; 150%, 10s; Static switch overload capacity, 1000%, 40ms.
Bypass is not more than 4ms switching time.
Power of alterating and direct current is zero switching time.
The power-factor of load: 0.8.
Efficient: 0.8
Noise: be not more than 60dB.
Dynamic voltage transient range: ± 10%V
Transient response recovery time≤100ms
Crest factor: 3: 1
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (8)
1, a kind of ups system that is used for 220KV and above electric pressure transformer station, this system comprises 2 UPS, adopts principal and subordinate's heat to be equipped with mode, 1 UPS is as main frame, and 1 as standby host, it is characterized in that, described UPS standby host is parallel in the alternating current circuit with maintenance bypass loop, electronics bypass loop
Described UPS main frame input is connected with DC power supply with AC power respectively, the output of described UPS main frame be connected in the alternating current circuit after another maintenance bypass loop, another electronics bypass loop and described UPS standby host are in parallel, standby host exchanges output and imports as the main frame bypass.
2, the ups system that is used for 220KV and above electric pressure transformer station as claimed in claim 1 is characterized in that, during described UPS hostdown, the UPS standby host comes into operation automatically, and described UPS main frame and UPS standby host switching time are less than 4ms.
3, the ups system that is used for 220KV and above electric pressure transformer station as claimed in claim 1 is characterized in that, described standby host UPS screen is provided with can be at the related output device of main frame UPS screen is whole uninterrupted AC power output when withdrawing from.
4, the ups system that is used for 220KV and above electric pressure transformer station as claimed in claim 1 is characterized in that, described active and standby 2 UPS AC power respectively from different stations with becoming, DC power supply is respectively from different dc bus sections.
5, the ups system that is used for 220KV and above electric pressure transformer station as claimed in claim 1, it is characterized in that, whether normal described ups system has the operation simulation drawing, have running status, particularly the inverter work that can intuitively show each parts and electronic switch reality run indicator on this simulation drawing.
6, the ups system that is used for 220KV and above electric pressure transformer station as claimed in claim 1, it is characterized in that, described ups system has the LCDs of the information demonstration that can not disappear after the power down of operating state and fault memory, and state and unusual indication alarm window are arranged.
7, the ups system that is used for 220KV and above electric pressure transformer station as claimed in claim 1, it is characterized in that, the input isolating transformer, rectifier, inverter, output isolation transformer, the static switch that comprise series connection successively in described UPS main frame or the standby host, wherein
Described input isolating transformer outputs to described rectifier after the alternating current transformation with input when being used for the UPS operate as normal;
Described rectifier is used for the alternating current voltage stabilizing with input, the commutating voltage that output amplitude is constant substantially;
Described static switch is used for going to described electronics bypass power supply by described static diverter switch when described inverter is imported unusual or fault.
8, the ups system that is used for 220KV and above electric pressure transformer station as claimed in claim 7, it is characterized in that, comprise also in described UPS main frame or the standby host that an end is connected with DC power supply, the input isolating diode that the other end is in parallel with described rectifier, this input isolating diode is used for when alternating current does not have, described direct current after described input isolating diode voltage stabilizing is handled to described inverter power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201987321U CN201126981Y (en) | 2007-11-30 | 2007-11-30 | UPS system for transformer substation of 220kV voltage class and above |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201987321U CN201126981Y (en) | 2007-11-30 | 2007-11-30 | UPS system for transformer substation of 220kV voltage class and above |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201126981Y true CN201126981Y (en) | 2008-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201987321U Expired - Lifetime CN201126981Y (en) | 2007-11-30 | 2007-11-30 | UPS system for transformer substation of 220kV voltage class and above |
Country Status (1)
| Country | Link |
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| CN (1) | CN201126981Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607040A (en) * | 2013-12-10 | 2014-02-26 | 国家电网公司 | Automatic dispatching integral power supply system |
| CN103872753A (en) * | 2014-04-04 | 2014-06-18 | 核工业理化工程研究院 | Wiring circuit for UPS bypass standby power supply |
| CN104218657A (en) * | 2014-09-18 | 2014-12-17 | 国家电网公司 | Improved DC bus type UPS device |
| CN106300631A (en) * | 2015-05-27 | 2017-01-04 | 鞍钢股份有限公司 | Realize individually power supply, the UPS online Hot Spare switching device having a power failure completely and changing method |
| CN106329703A (en) * | 2016-08-23 | 2017-01-11 | 许继集团有限公司 | Quick switching control method and control device for concentrated bypass type parallel UPS |
| CN107069932A (en) * | 2017-03-13 | 2017-08-18 | 欧阳常青 | The online cold and hot backup of power frequency and the UPS of the shared isolation and amplifier main transformer of machine |
| CN113422431A (en) * | 2021-06-17 | 2021-09-21 | 南京飞瑞科技有限公司 | Novel intelligent integrated power monitoring system |
| EP3920408A4 (en) * | 2019-12-13 | 2022-06-01 | Gree Electric Appliances, Inc. of Zhuhai | Driving circuit and method, and frequency converter, device and computer-readable storage medium |
-
2007
- 2007-11-30 CN CNU2007201987321U patent/CN201126981Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607040A (en) * | 2013-12-10 | 2014-02-26 | 国家电网公司 | Automatic dispatching integral power supply system |
| CN103872753A (en) * | 2014-04-04 | 2014-06-18 | 核工业理化工程研究院 | Wiring circuit for UPS bypass standby power supply |
| CN104218657A (en) * | 2014-09-18 | 2014-12-17 | 国家电网公司 | Improved DC bus type UPS device |
| CN106300631A (en) * | 2015-05-27 | 2017-01-04 | 鞍钢股份有限公司 | Realize individually power supply, the UPS online Hot Spare switching device having a power failure completely and changing method |
| CN106300631B (en) * | 2015-05-27 | 2019-03-26 | 鞍钢股份有限公司 | Realize individually power supply, the online warm back-up switching device of UPS having a power failure completely and switching method |
| CN106329703A (en) * | 2016-08-23 | 2017-01-11 | 许继集团有限公司 | Quick switching control method and control device for concentrated bypass type parallel UPS |
| CN106329703B (en) * | 2016-08-23 | 2019-01-22 | 许继集团有限公司 | Concentrate the quick switching-over control and control device of bypass type parallel UPS |
| CN107069932A (en) * | 2017-03-13 | 2017-08-18 | 欧阳常青 | The online cold and hot backup of power frequency and the UPS of the shared isolation and amplifier main transformer of machine |
| EP3920408A4 (en) * | 2019-12-13 | 2022-06-01 | Gree Electric Appliances, Inc. of Zhuhai | Driving circuit and method, and frequency converter, device and computer-readable storage medium |
| CN113422431A (en) * | 2021-06-17 | 2021-09-21 | 南京飞瑞科技有限公司 | Novel intelligent integrated power monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081001 |