CN201126979Y - UPS system for transformer substation below 220kV voltage class - Google Patents
UPS system for transformer substation below 220kV voltage class Download PDFInfo
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- CN201126979Y CN201126979Y CNU2007201987317U CN200720198731U CN201126979Y CN 201126979 Y CN201126979 Y CN 201126979Y CN U2007201987317 U CNU2007201987317 U CN U2007201987317U CN 200720198731 U CN200720198731 U CN 200720198731U CN 201126979 Y CN201126979 Y CN 201126979Y
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- ups system
- transformer station
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Abstract
The utility model relates to a UPS system for transformer substation, especially an UPS system for transformer substation under 220kV voltage level. The UPS system comprises an UPS, wherein the UPS is connected with an inspection bypass loop, and an electric bypass loop in AC circuit in parallel. By using the technical scheme, the utility model can solve problems of improper configuration, ineffective resource utilization, and unstable working capability of UPS system for existing transformer substation by effectively utilizing resources in order to ensure normal function of the transformer substation.
Description
Technical field
The utility model relates to the ups system that is used for transformer station, particularly is used for the ups system of the following transformer station of 220KV electric pressure.
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 is lack of standardization, 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 be to solve the configuration of ups system of present transformer station lack of standardization, be unfavorable for that reasonable resources uses, can not guarantee well the problem of the operate as normal of transformer station, provide a kind of resource distribution reasonably to be used for the ups system of the following transformer station of 220KV electric pressure.
Realize that the object of the invention technical scheme is: the ups system of the following electric pressure of a kind of 220KV of being used for transformer station, this system comprises a UPS, this UPS is parallel in the alternating current circuit with maintenance bypass loop, electronics bypass loop.
The input isolating transformer, rectifier, inverter, output isolation transformer, the static switch that comprise series connection successively among the above-mentioned UPS, 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 among the described UPS 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.
Further, above-mentioned UPS AC power is provided by the station electricity consumption, and DC power supply is provided by direct current system.
Owing to adopted above-mentioned technical solution, the configuration of ups system that has solved present transformer station is lack of standardization, be unfavorable for that reasonable resources uses, can not guarantee well the problem of the operate as normal of transformer station, rationally utilize resource, guaranteed the operate as normal of transformer station effectively.
Description of drawings
Fig. 1 is used for the structural representation of the ups system of the following transformer station of 220KV electric pressure 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 the following electric pressure of 220KV transformer station, this system comprises a UPS main frame 1, this UPS is parallel in the alternating current circuit with maintenance bypass loop 2, electronics bypass loop 3.
The input isolating transformer 11, rectifier 12, inverter 13, output isolation transformer 14, the static switch 15 that comprise series connection successively in the above-mentioned UPS main frame 1, wherein,
Rectifier 12 is used for the alternating current voltage stabilizing with input, the commutating voltage that output amplitude is constant substantially;
Comprise also among the above-mentioned UPS that an end is connected with DC power supply, the input isolating diode 16 that the other end and described rectifier 12 are in parallel, this input isolating diode 16 is used for when alternating current does not have, and described direct current is powered to described inverter 13 after described input isolating diode 16 voltage stabilizings are handled.
Above-mentioned UPS AC power is provided by the station electricity consumption, and DC power supply is provided by direct current system.
Above-mentioned ups system can reach following specification requirement:
1) stand situation about having a power failure entirely in transformer station under, transformer station's ups system at full capacity, supplying time must not be less than 2h continuously.
2) UPS of 110kV transformer station input power supply after the AC power dead electricity, automatically switches to the dc inversion power supply based on AC power.
35kV transformer station is fixed, specific as follows according to direct current system configuring condition in the station:
A) the direct current system storage battery is imported power supply based on the interior DC power supply of standing by 2V/ joint configuration: UPS, after the DC power supply dead electricity, automatically switches to rectified AC power supply.
B) the direct current system storage battery disposes greater than the 2V/ joint: UPS 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 is provided with jamproof quarantine measures, and the transient interference of the using electricity system that prevents to stand enters load side.
4) be under 220V+10%, frequency 50Hz+5%, the 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 single-phase, two-wire, 220V+5%.
Frequency stability: the output rated frequency is 50Hz+1%.
Waveform distortion: output voltage is sinusoidal wave, and total waveform distortion is not more than 10%.
Overload capacity: inverter overload capacity, 120%, 1min;
Stand-by power supply is not more than 4ms 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 (4)
1, a kind of ups system that is used for the following electric pressure of 220KV transformer station, this system comprises a UPS, it is characterized in that, described UPS is parallel in the alternating current circuit with maintenance bypass loop, electronics bypass loop.
2, the ups system that is used for the following electric pressure of 220KV transformer station as claimed in claim 1 is characterized in that, comprises input isolating transformer, rectifier, inverter, output isolation transformer, the static switch of series connection successively among the described UPS, 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.
3, the ups system that is used for the following electric pressure of 220KV transformer station as claimed in claim 2, it is characterized in that, comprise also among the described UPS 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.
4, the ups system that is used for the following electric pressure of 220KV transformer station as claimed in claim 1 is characterized in that, described UPS AC power is provided by the station electricity consumption, and DC power supply is provided by direct current system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007201987317U CN201126979Y (en) | 2007-11-30 | 2007-11-30 | UPS system for transformer substation below 220kV voltage class |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007201987317U CN201126979Y (en) | 2007-11-30 | 2007-11-30 | UPS system for transformer substation below 220kV voltage class |
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CN201126979Y true CN201126979Y (en) | 2008-10-01 |
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CNU2007201987317U Expired - Lifetime CN201126979Y (en) | 2007-11-30 | 2007-11-30 | UPS system for transformer substation below 220kV voltage class |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102005811A (en) * | 2010-12-28 | 2011-04-06 | 广东易事特电源股份有限公司 | Uninterrupted power supply using lithium iron phosphate battery |
CN102142712A (en) * | 2011-01-18 | 2011-08-03 | 北京首钢自动化信息技术有限公司 | Test method for external bypass of uninterrupted power supply (UPS) |
CN102394511A (en) * | 2011-11-14 | 2012-03-28 | 合肥联信电源有限公司 | Energy-efficient medical safety power supply apparatus |
CN104218657A (en) * | 2014-09-18 | 2014-12-17 | 国家电网公司 | Improved DC bus type UPS device |
CN107707024A (en) * | 2017-09-22 | 2018-02-16 | 国网天津市电力公司 | A kind of improvement circuit in UPS loops |
-
2007
- 2007-11-30 CN CNU2007201987317U patent/CN201126979Y/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102005811A (en) * | 2010-12-28 | 2011-04-06 | 广东易事特电源股份有限公司 | Uninterrupted power supply using lithium iron phosphate battery |
CN102142712A (en) * | 2011-01-18 | 2011-08-03 | 北京首钢自动化信息技术有限公司 | Test method for external bypass of uninterrupted power supply (UPS) |
CN102394511A (en) * | 2011-11-14 | 2012-03-28 | 合肥联信电源有限公司 | Energy-efficient medical safety power supply apparatus |
CN104218657A (en) * | 2014-09-18 | 2014-12-17 | 国家电网公司 | Improved DC bus type UPS device |
CN107707024A (en) * | 2017-09-22 | 2018-02-16 | 国网天津市电力公司 | A kind of improvement circuit in UPS loops |
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Granted publication date: 20081001 |