CN2430806Y - Intelligent phase control DC power device for transforming station - Google Patents
Intelligent phase control DC power device for transforming station Download PDFInfo
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- CN2430806Y CN2430806Y CN 00200855 CN00200855U CN2430806Y CN 2430806 Y CN2430806 Y CN 2430806Y CN 00200855 CN00200855 CN 00200855 CN 00200855 U CN00200855 U CN 00200855U CN 2430806 Y CN2430806 Y CN 2430806Y
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- screen
- standby
- electric screen
- transformer station
- battery
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Abstract
The utility model relates to an intelligent phase control DC power device for a transformer station, which is composed of a feeding electric screen, a main charging electric screen, a standby charging electric screen, and a battery screen. The main charging electric screen and the standby charging electric screen adopt the dual-voltage output mode, and are provided with far-end control interfaces. A microcomputer monitoring unit is arranged on the feeding electric screen, a feeding control unit and a switching-on feeding unit which are arranged on the feeding electric screen adopt DC circuit breakers with the tripping protection. A storage battery testing unit arranged on the battery screen collects the information of the voltage, the temperature, etc. of each single storage battery. According to the temperature of the environment, the microcomputer monitoring unit can control the output voltage of the main charging electric screen and the standby charging electric screen, and the temperature compensation of the storage battery can be realized. The utility model has the characteristics of complete management of the storage battery, automatic switch of a standby power supply, cold reserve of an automatic pressure regulator, etc. Through the communication of various communication protocols and intelligent devices, the utility model can completely satisfy the requirements of the unattended operation and the integrated automation for the transformer station.
Description
The utility model is specifically related to the phased continuous-current plant of a kind of intelligent transformer station.
At present, China transformer station or power plant generally use phased continuous-current plant, adopt manual mode control phase controlled rectifier to storage battery all fill, floating charge, constant voltage or constant current charge, the line service amount is very big.In order to reduce the maintenance workload of continuous-current plant, Chinese patent CN2196341Y adopts microcomputer apparatus to monitor the charge status of batteries and the voltage of every single battery at any time in design, when any battery of battery pack has under-voltage fault, microcomputer is by audible alarm and show failure condition, remove user's maintenance work from, saved many expenses and work.Along with the degree raising of Automation of Electric Systems, the application of integrated automation of transformation stations equipment, and the development of unattended operation transformer station, still there is following defective in the phased DC power supply of above-mentioned transformer station:
(1) when valve controlled sealed lead-acid accumulator when floating charge moves, can't adjust the voltage of charging device according to the ambient temperature around the storage battery, when low temperature, will reduce the capacity of battery, when high temperature, will influence battery life.
(2) only monitor the voltage condition of single-unit storage battery, can't in time find the failure conditions of single-unit storage battery.
(3) direct current feeds out mechanism and adopts AC circuit breaker to add the fuse protection, and reliability is low, complicated operation.
(4) mode of the state of some element or device (feeding out on off state, rectifier state etc.) by idle contact is sent on the operation souvenir screen in transformer station control room one by one in the DC power supply, realize concentrating monitoring, and the wiring complexity, reliability is low.
(5) do not possess intelligent functions, be difficult to and comprehensive automation system of transformer substation or other intelligent equipment interface, can't satisfy the unattended needs of transformer station.
For improving the defective that the phased DC power supply of existing transformer station exists, through research for a long time, the utility model is developed the phased continuous-current plant of a kind of intelligent transformer station.
The purpose of this utility model is to improve the reliability of direct current system, satisfies the needs of unattended operation transformer station.
Second purpose of the present utility model is the temperature-compensating when realizing the storage battery floating charge, remains the battery full capacity.
The 3rd purpose of the present utility model is to seek the substitute that a kind of existing direct current feeds out operating mechanism, simplifies the operation.
The 4th purpose of the present utility model is in time to find the inefficacy or the damage of single battery.
For achieving the above object, the utility model is achieved in that feed panel (1), main charging screen (3), standby charging screen (4), battery panel (5) are arranged in order from left to right, form the phased continuous-current plant of intelligent transformer station, main charging screen (3), standby charging screen (4) are the 220V DC power supply with the AC power rectification, give the battery charge in the battery panel (5), and be feed panel (1) power supply by bus row, it is characterized in that the active and standby charging device of using of main charging screen (3) and standby charging screen (4) composition, realize active and standby switching automatically.
In order to reach intelligent purpose, the utility model is gone up installing PC monitor unit for monitoring and controlling (11) at feed panel (1).
For reaching second purpose, the utility model is by the output voltage of PC monitor unit for monitoring and controlling (11) according to main charging screen of battery pack (8) ambient temperature adjustment on every side (3) and standby charging screen (4), the temperature-compensating when realizing the storage battery floating charge.
For reaching the 3rd purpose, control of the present utility model feeds out unit (10) and combined floodgate feeds out the high voltage direct current circuit breaker that unit (9) adopts band to thread off and protect.
For reaching the 4th purpose, the utility model is gone up installing accumulator testing device (7) at battery panel (5), detects the voltage and the temperature of single battery, adopts FUZZY ALGORITHMS FOR CONTROL, calculates the capacity of single battery, in time finds the fault of single battery.
The utility model in detail described for better illustrating below by accompanying drawing.
Accompanying drawing 1 is external form figure of the present utility model.
Accompanying drawing 2 is principle schematic diagrames of the present utility model.
Figure number wherein:
1: feed panel; 2: charhing unit; 3: main charging screen
4: standby charging screen; 5: battery panel; 6: automatic pressure regulating device
7: the accumulator testing device; 8: batteries; 9: closing a floodgate feeds out the unit
10: control feeds out the unit; 11: PC monitor unit for monitoring and controlling; 12: current transformer
13: positive closing bus bar; 14: negative closing bus bar; 15: the control bus
16: AC circuit breaker; 17: standby AC power; 18: main AC power
The embodiment that provides below in conjunction with accompanying drawing is described in detail the utility model.Be control feed element (10) and combined floodgate feed element (9) below; the dc circuit breaker that the circuit breaker of control feed element (10) and combined floodgate feed element (9) adopts band to thread off and protect, the centre of main charging screen (3) and standby charging screen (4) is charhing unit (2).Accumulator testing device (7) and battery pack (8) are housed on the battery panel (5), and the capacity of battery pack (8) is 19 joint 100Ah batteries (12V/ joint).More than the door-plate of screen body all can be opened freely, brings great convenience for the maintenance of continuous-current plant.
Operation principle of the present utility model is as follows: with reference to accompanying drawing 2, main charging screen (3) and standby charging screen (4) are formed the active and standby charger of using, main 380V AC power and standby 380V AC power enter main charging screen (3) and standby charging screen (4) through circuit breaker (19) and (16), two voltage outputs of charging screen are through being attempted by after the diode-isolated on closing bus bar (13) and the control bus (15), to batteries (8) charging, and provide the load electricity consumption of controlling bus (15).In main 380V AC power (18) just often, PC monitor unit for monitoring and controlling (11) the main charging screen of control (3) start, standby charging screen (4) shutdown, when PC monitor unit for monitoring and controlling (11) detects main 380V AC power (18) dead electricity, control standby charging screen (4) start, when main 380V alternating current (18) recovers just often, PC monitor unit for monitoring and controlling (11) makes main charging screen (3) work again.As long as in main 380V AC power (18) or the standby 380V AC power (17) one tunnel operate as normal is arranged, automatic pressure regulating device (6) just is in the cold standby state always, have only when the whole dead electricity of AC power, automatic pressure regulating device (6) is startup work, thereby improve reliability.
PC monitor unit for monitoring and controlling (11) can carry out temperature-compensating to the float charge voltage of batteries (8) according to ambient temperature, make batteries (8) under various ambient temperatures, can both keep full appearance state, concrete method is: according to the float charge voltage of batteries (8) simulation curve with variation of ambient temperature, determine suitable temperature compensation coefficient, the float charge voltage of main charging screen of control (3) or standby charging screen (4) is with variation of ambient temperature, ambient temperature raises, float charge voltage reduces, ambient temperature reduces, float charge voltage raises, batteries (8) is in full appearance state when guaranteeing low temperature, prevent during high temperature that phenomenon from appearring overcharging in batteries (8), thereby prolong the useful life of batteries (8).
Accumulator testing device (7) detects the terminal voltage and the surface temperature of every battery in the battery pack (8), the charging and discharging currents of the batteries (8) that transmits according to PC monitor unit for monitoring and controlling (11), current transformer (12), pass through FUZZY ALGORITHMS FOR CONTROL, calculate the capacity of single battery, voltage, temperature, capacity information are sent into PC monitor unit for monitoring and controlling (11) through data-interface.When the temperature of certain battery raises suddenly or voltage when reducing suddenly, accumulator testing unit (7) judge this battery failure according to detected temperatures and voltage, and this information are reported to the police with this locality and the data remote mode is sent warning information.
The outstanding advantages that the utlity model has is:
Temperature-compensating when (1) the utility model can be realized the sequencing charging of battery and floating charging operation, logical Cross temperature and the terminal voltage of microcomputer monitoring batteries and single battery, can be to the early stage mistake of single battery Effect judges, and is conducive to prolong the service life of battery.
(2) can realize the automatic switchover that the standby usage charging is shielded by the micro computer monitoring unit, improve complexes Reliability.
(3) direct current feeds out the dc circuit breaker that mechanism adopts band to thread off and protect, and is easy and simple to handle, safe and reliable.
(4) can transmit the information of dc source to other intelligent equipment by data port, and can accept other The distant place control of intelligent equipment, thus satisfy the requirement of unattended duty transformer station, can be extensively in transformer station Use.
Claims (5)
1, the phased continuous-current plant of a kind of intelligent transformer station, form by feed panel (1), main charging screen (3), standby charging screen (4), battery panel (5) from left to right, main charging screen (3), standby charging screen (4) are the 220V DC power supply with the AC power rectification, give the battery charge in the battery panel (5), and be feed panel (1) power supply by bus row, it is characterized in that: main charging screen (3) and standby charging screen (4) are formed active and standby with the charging screen, realize active and standby switching automatically.
2. the phased continuous-current plant of intelligent transformer station according to claim 1 is characterized in that upward installing PC monitor unit for monitoring and controlling (11) of feed panel (1).
3. the phased continuous-current plant of intelligent transformer station according to claim 1, it is characterized in that PC monitor unit for monitoring and controlling (11) can shield the output voltage of (4) according to the main charging of temperature adjustment screen (3) and standby charging, the float charge voltage of batteries (8) is carried out temperature-compensating.
4. the phased continuous-current plant of intelligent transformer station according to claim 1 is characterized in that control feeds out unit (10) and combined floodgate feeds out the high voltage direct current circuit breaker that unit (11) adopts band to thread off and protect.
5. the phased DC power supply of intelligent transformer station according to claim 1 is characterized in that upward installing accumulator testing device (7) of battery panel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00200855 CN2430806Y (en) | 2000-01-20 | 2000-01-20 | Intelligent phase control DC power device for transforming station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00200855 CN2430806Y (en) | 2000-01-20 | 2000-01-20 | Intelligent phase control DC power device for transforming station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2430806Y true CN2430806Y (en) | 2001-05-16 |
Family
ID=33570227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00200855 Expired - Fee Related CN2430806Y (en) | 2000-01-20 | 2000-01-20 | Intelligent phase control DC power device for transforming station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2430806Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590743A (en) * | 2012-03-07 | 2012-07-18 | 甘肃电力科学研究院 | Dynamic analog simulation system of direct-current power supply |
| CN112310874A (en) * | 2020-10-23 | 2021-02-02 | 国网湖北省电力有限公司宜昌供电公司 | 220V double-charging four-feed direct current system uninterrupted safe replacement method |
| CN114374264A (en) * | 2021-12-10 | 2022-04-19 | 国网湖北省电力有限公司宜昌供电公司 | Uninterrupted replacement method for feed screen feed unit plug frame of direct-current system |
| CN114884168A (en) * | 2022-05-13 | 2022-08-09 | 国网湖北省电力有限公司宜昌供电公司 | Transformer substation direct current system based on lithium iron phosphate storage battery |
-
2000
- 2000-01-20 CN CN 00200855 patent/CN2430806Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590743A (en) * | 2012-03-07 | 2012-07-18 | 甘肃电力科学研究院 | Dynamic analog simulation system of direct-current power supply |
| CN102590743B (en) * | 2012-03-07 | 2013-11-20 | 甘肃电力科学研究院 | Dynamic analog simulation system of direct-current power supply |
| CN112310874A (en) * | 2020-10-23 | 2021-02-02 | 国网湖北省电力有限公司宜昌供电公司 | 220V double-charging four-feed direct current system uninterrupted safe replacement method |
| CN114374264A (en) * | 2021-12-10 | 2022-04-19 | 国网湖北省电力有限公司宜昌供电公司 | Uninterrupted replacement method for feed screen feed unit plug frame of direct-current system |
| CN114374264B (en) * | 2021-12-10 | 2023-08-08 | 国网湖北省电力有限公司宜昌供电公司 | Uninterrupted replacement method for plug frame of feed unit of direct current system feed screen |
| CN114884168A (en) * | 2022-05-13 | 2022-08-09 | 国网湖北省电力有限公司宜昌供电公司 | Transformer substation direct current system based on lithium iron phosphate storage battery |
| CN114884168B (en) * | 2022-05-13 | 2023-05-02 | 国网湖北省电力有限公司宜昌供电公司 | Transformer substation direct current system based on lithium iron phosphate storage battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |