CN102222902B - Integral structure for movable light direct current (DC) transmission system - Google Patents
Integral structure for movable light direct current (DC) transmission system Download PDFInfo
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- CN102222902B CN102222902B CN 201110165087 CN201110165087A CN102222902B CN 102222902 B CN102222902 B CN 102222902B CN 201110165087 CN201110165087 CN 201110165087 CN 201110165087 A CN201110165087 A CN 201110165087A CN 102222902 B CN102222902 B CN 102222902B
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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Abstract
The invention relates to an integral structure for a movable light direct current (DC) transmission system. The structure comprises a rectifier station device, an inverter station device, a power container, a transformer container, an air conditioner and an air-conditioner condensing unit, wherein the inner space of the power container is divided into three parts in an internal partition mode, namely a power unit mounting space, an input/output loop mounting space and a control unit mounting space; the power container dissipates heat through the split overhead air conditioner for a ship; the transformer container dissipates heat through a circulating fan; and an MCT cable sealing device special for ships is adopted for cables between the power container and the transformer container and between various containers and the external. The invention has the advantages that: the integral structure for the light DC transmission system is particularly suitable for providing a reliable DC power supply system for an offshore oil drilling platform and an oil production platform, and the integral structure has a small occupied area and long transmission distance and can adapt to conditions ofhumidity, salt mist, stormy waves, typhoons and other marine environments.
Description
Technical field
The present invention relates to the overall structure of a kind of HVDC Light system, particularly a kind of convenient mobile, be convenient to install provide reliable DC power-supply system for offshore oil drilling platform, production platform.Require restricted, the long transmission distance of floor space weight little, single devices, and can adapt to the condition of marine environment such as humidity, salt fog, stormy waves, typhoon.
Background technology
The particularity that China's energy resources and power load distribute becomes and develops certainty remote, large capacity transmission.Especially surpass the above long-distance transmission circuit of 600km, adopt more energy-conservation, the consumption reduction of direct current transportation, increase economic efficiency, realize energy resources in larger scope reasonable development, distribute rationally, meet the national conditions of China.
Along with power electronics and computer technology rapid development, the HVDC Light technology is gradually improved, can compete with extra-high-voltage alternating current with sending on the electrical distance in ability to transmit electricity, and with respect to the ultra-high voltage AC transmission technology, the HVDC Light technology has following advantage:
When 1, carrying equal-wattage, the used wire rod of HVDC Light only is 2/3～1/2 of ac transmission;
2, in cable transmission line, HVDC Light does not have capacitance current to produce, and there is capacitance current in the high-voltage AC transmission circuit, causes loss;
3, HVDC Light uses underground cable more, makes it not have visual influence to surrounding environment, the magnetic field that does not also have cable to produce, and visible HVDC Light technology itself is extremely environmental protection.And at some special occasions, must use cable power transmission, when for example high voltage transmission line is through the big city, adopt underground cable; Power transmission line will be used submarine cable during through straits;
4, during direct current transportation, its both sides AC system does not need synchronous operation, and high-voltage AC transmission must synchronous operation;
5, the direct current transportation loss of breaking down is littler than high-voltage AC transmission.In the direct current transportation, owing to adopt thyristor installation, circuit power can be rapidly, regulate easily, do not carry short circuit current to the high-voltage alternating system that is short-circuited basically on the DC power transmission line, and the short circuit current of fault top-cross streaming system is the same when not interconnecting.
Therefore, HVDC Light can be applied in the direct current high tension transmission engineering as a kind of economy, flexible, high-quality power transmission mode, will obtain good transmission of electricity and environmental benefit.In the prior art, HVDC Light also is not used widely at present.
Summary of the invention
The overall structure that the purpose of this invention is to provide a kind of HVDC Light system, especially be suitably for offshore oil drilling platform, production platform provides reliable DC power-supply system, the overall structure floor space is little, long transmission distance, and can adapt to the condition of marine environment such as humidity, salt fog, stormy waves, typhoon.
For achieving the above object, the present invention is achieved through the following technical solutions:
Packaged type HVDC Light entire system structure comprises converting plant device, Inverter Station device, and converting plant device and Inverter Station device comprise power container, transformer container, air conditioner and air conditioner condensation unit respectively.
Converting plant and Inverter Station power internal container space all adopt the mode of case internal partition wall to be divided into three parts: power cell installation interval, input and output loop installation interval, control unit installation interval; In the converting plant installation interval, the precharge control element is installed also;
The power cell installation interval of converting plant power container is equipped with many power cells and input reactance device; Input and output loop installation interval is equipped with power cell input fuse, interchange input control contactor and sampling unit, direct current output detecting element, system's precharge control element; The control unit installation interval is equipped with control power supply, master controller, operation screen and other control loop element;
The power cell installation interval of Inverter Station power container is equipped with many power cells and exports filter reactor, capacitor; Input and output loop installation interval is equipped with power cell fuse output, direct current input detecting element; The control unit installation interval is equipped with control power supply, master controller, operation screen and other control loop element;
Transformer, two air intake blower fans, two air-out blower fans all are installed in the transformer container of converting plant, Inverter Station, and two air intake blower fans and two air-out blower fans are that a worker one is equipped with working method; Two air intake blower fans are arranged at the container body sidepiece, also are provided with an air-out blower fan in this side of casing, and another air-out blower fan is arranged at the container body top; The transformer of converting plant device is input side rectification phase shifting transformer, and the transformer of Inverter Station device is the outlet side isolating transformer;
The power container of converting plant device, Inverter Station device adopts the air conditioner heat radiation peculiar to vessel of split overhead type, and air conditioner condensation unit is arranged at the top of transformer container; The form of circulating fan is adopted in the heat radiation of transformer container.
The working method that the power cell heat transmission air-conditioning unit of power container and transformer transformer container heat radiation circulating fan all adopt a worker one to be equipped with realizes the manual switching of malfunction.
Between the power container and transformer container of converting plant device, Inverter Station device, each container and outside cable routing adopt the MCT cable sealing device of naval vessel special use.
Compared with prior art, the invention has the beneficial effects as follows:
The overall structure of this HVDC Light system, especially be suitably for offshore oil drilling platform, production platform provides reliable DC power-supply system, the overall structure floor space is little, long transmission distance, and can adapt to the condition of marine environment such as humidity, salt fog, stormy waves, typhoon.
Description of drawings
Fig. 1 is the circuit structure diagram of packaged type HVDC Light system;
Fig. 2 is the main TV structure figure of converting plant device or Inverter Station device;
Fig. 3 is the backsight structure chart of converting plant device or Inverter Station device;
Fig. 4 is the structure vertical view of converting plant device or Inverter Station device;
Fig. 5 is the cut-away view of power container.
Embodiment
Packaged type HVDC Light entire system structure comprises converting plant device, Inverter Station device, and converting plant device and Inverter Station device comprise power container 1, transformer container 2, air conditioner 11 and air conditioner condensation unit 9 respectively.
See Fig. 5, converting plant and Inverter Station power internal container space all adopt the mode of case internal partition wall to be divided into three parts: power cell installation interval 16, input and output loop installation interval 14, control unit installation interval 15; In the converting plant installation interval, the precharge control element is installed also.
The power cell installation interval 16 of converting plant power container is equipped with many power cells 3 and input reactance device; Input and output loop installation interval 14 is equipped with power cell input fuse, interchange input control contactor and sampling unit, direct current output detecting element, system's precharge control element; Control unit installation interval 15 is equipped with control power supply, master controller, operation screen and other control loop element.
The power cell installation interval 16 of Inverter Station power container is equipped with many power cells and exports filter reactor, capacitor; Input and output loop installation interval 14 is equipped with power cell fuse output, direct current input detecting element; Control unit installation interval 15 is equipped with control power supply, master controller, operation screen and other control loop element.
The power container 1 of converting plant device, Inverter Station device and the cable routing between the transformer container 2 adopt the MCT cable sealing device of naval vessel special use.
See Fig. 2-Fig. 4, transformer 7, two air intake blower fans 8,12, two air- out blower fans 13,10 all are installed in the transformer container 2 of converting plant, Inverter Station; Two air intake blower fans are arranged at the container body sidepiece, also are provided with an air-out blower fan 13 in this side of casing, and this air-out blower fan 13 is arranged at air intake blower fan 8 tops, and another air-out blower fan 10 is arranged at the container body top.The transformer 7 of converting plant device is input side rectification phase shifting transformer, and the transformer 7 of Inverter Station device is the outlet side isolating transformer.
The power container 1 of converting plant device, Inverter Station device adopts air conditioner 11 heat radiations peculiar to vessel of split overhead type, and air conditioner condensation unit 9 is arranged at the top of transformer container 2; The form of circulating fan is adopted in the heat radiation of transformer container 2.
The working method that the power cell heat transmission air-conditioning unit of power container and transformer transformer container heat radiation circulating fan all adopt a worker one to be equipped with realizes the manual switching of malfunction.
Between the power container and transformer container of converting plant device, Inverter Station device, each container and outside cable routing adopt the MCT cable sealing device of naval vessel special use.
The container body degree of protection reaches more than the IP65, can adapt to the condition of marine environment such as humidity, salt fog, stormy waves, typhoon fully.
Claims (3)
1. packaged type HVDC Light entire system structure comprises converting plant device, Inverter Station device, and converting plant device and Inverter Station device comprise power container, transformer container, air conditioner and air conditioner condensation unit respectively;
Converting plant and Inverter Station power internal container space all adopt the mode of case internal partition wall to be divided into three parts: power cell installation interval, input and output loop installation interval, control unit installation interval; In the converting plant installation interval, the precharge control element is installed also;
The power cell installation interval of converting plant power container is equipped with many power cells and input reactance device; Input and output loop installation interval is equipped with power cell input fuse, interchange input control contactor and sampling unit, direct current output detecting element, system's precharge control element; The control unit installation interval is equipped with control power supply, master controller, operation screen and other control loop element;
The power cell installation interval of Inverter Station power container is equipped with many power cells and exports filter reactor, capacitor; Input and output loop installation interval is equipped with power cell fuse output, direct current input detecting element; The control unit installation interval is equipped with control power supply, master controller, operation screen and other control loop element;
Transformer, two air intake blower fans, two air-out blower fans all are installed in the transformer container of converting plant, Inverter Station, and two air intake blower fans and two air-out blower fans are that a worker one is equipped with working method; Two air intake blower fans are arranged at the container body sidepiece, also are provided with an air-out blower fan in this side of casing, and another air-out blower fan is arranged at the container body top; The transformer of converting plant device is input side rectification phase shifting transformer, and the transformer of Inverter Station device is the outlet side isolating transformer;
The power container of converting plant device, Inverter Station device adopts the air conditioner heat radiation peculiar to vessel of split overhead type, and air conditioner condensation unit is arranged at the top of transformer container; The form of circulating fan is adopted in the heat radiation of transformer container.
2. packaged type HVDC Light entire system structure according to claim 1 is characterized in that, the working method that the power cell heat transmission air-conditioning unit of power container adopts a worker one to be equipped with realizes the manual switching of malfunction.
3. packaged type HVDC Light entire system structure according to claim 1, it is characterized in that, between the power container and transformer container of converting plant device, Inverter Station device, each container and outside cable routing adopt the MCT cable sealing device of naval vessel special use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110165087 CN102222902B (en) | 2011-06-17 | 2011-06-17 | Integral structure for movable light direct current (DC) transmission system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110165087 CN102222902B (en) | 2011-06-17 | 2011-06-17 | Integral structure for movable light direct current (DC) transmission system |
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| CN102222902A CN102222902A (en) | 2011-10-19 |
| CN102222902B true CN102222902B (en) | 2013-09-25 |
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| CN 201110165087 Active CN102222902B (en) | 2011-06-17 | 2011-06-17 | Integral structure for movable light direct current (DC) transmission system |
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| CN109193846A (en) * | 2018-09-30 | 2019-01-11 | 广州万城万充新能源科技有限公司 | A kind of modular extendable DC charging shut-down system based on phase transformation heat exchange |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130909Y (en) * | 2007-11-13 | 2008-10-08 | 青岛经济技术开发区创统科技发展有限公司 | Removable shore power supply |
| EP2170029A2 (en) * | 2008-09-26 | 2010-03-31 | Rockwell Automation Technologies, Inc. | Power electronic module cooling system and method |
| CN202094630U (en) * | 2011-06-17 | 2011-12-28 | 辽宁荣信众腾科技有限公司 | Integral structure of light-duty dc power transmission system of transportable type |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8130501B2 (en) * | 2009-06-30 | 2012-03-06 | Teco-Westinghouse Motor Company | Pluggable power cell for an inverter |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130909Y (en) * | 2007-11-13 | 2008-10-08 | 青岛经济技术开发区创统科技发展有限公司 | Removable shore power supply |
| EP2170029A2 (en) * | 2008-09-26 | 2010-03-31 | Rockwell Automation Technologies, Inc. | Power electronic module cooling system and method |
| CN202094630U (en) * | 2011-06-17 | 2011-12-28 | 辽宁荣信众腾科技有限公司 | Integral structure of light-duty dc power transmission system of transportable type |
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Owner name: RONGXIN POWER ELECTRONIC CO., LTD. Free format text: FORMER OWNER: LIAONING RONGXING ZHONGTENG TECHNOLOGY CO., LTD. Effective date: 20111124 |
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Effective date of registration: 20130626 Address after: China CNOOC Building No. 25 Chaoyangmen North Street, Beijing city 100010 Applicant after: China National Offshore Oil Corporation Applicant after: CNOOC (China) Limited Zhanjiang Branch Applicant after: Rongxin Power Electronic Co., Ltd. Address before: 114051 Anshan high tech Zone, Liaoning province science and technology road, No. 108 Applicant before: Rongxin Power Electronic Co., Ltd. Applicant before: CNOOC (China) Limited Zhanjiang Branch |
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Address after: China CNOOC Building No. 25 Chaoyangmen North Street, Beijing city 100010 Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC (China) Limited Zhanjiang Branch Patentee after: Monternet Rongxin Technology Group Limited by Share Ltd Address before: China CNOOC Building No. 25 Chaoyangmen North Street, Beijing city 100010 Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC (China) Limited Zhanjiang Branch Patentee before: Rongxin Power Electronic Co., Ltd. |