CN201118242Y - Low-voltage powerless automatic compensating controller based on communication control - Google Patents
Low-voltage powerless automatic compensating controller based on communication control Download PDFInfo
- Publication number
- CN201118242Y CN201118242Y CNU200720042343XU CN200720042343U CN201118242Y CN 201118242 Y CN201118242 Y CN 201118242Y CN U200720042343X U CNU200720042343X U CN U200720042343XU CN 200720042343 U CN200720042343 U CN 200720042343U CN 201118242 Y CN201118242 Y CN 201118242Y
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- China
- Prior art keywords
- circuit
- low
- reactive power
- automatic compensation
- controller based
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- 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 - Fee Related
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Supply And Distribution Of Alternating Current (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The utility model discloses a low-voltage reactive power automatic compensation controller based on communication control, including a communication interface, which is characterized in that an intelligent circuit is included, the intelligent circuit is connected with a communication interface circuit, the communication interface circuit is a bus typed interface circuit, and the intelligent circuit is connected with a reactive power or power factor measurement preprocessing circuit, a display circuit and a keyboard circuit. The controller has the beneficial effects that the structure is simple, the cost is low, the control quantity is easily expanded and the low-voltage reactive automatic compensation device has simple wiring and convenient maintenance.
Description
Technical field:
The utility model relates to the low-voltage reactive power automatic compensation controller in the low-voltage reactive power automatic compensation field.Specifically, be that a kind of communication mode that adopts puts into operation, moves back the low-voltage reactive power automatic compensation controller of fortune control to capacitor, and be a kind of low-voltage reactive power automatic compensation controller that adopts the bus type Control on Communication.
Background technology:
Existing low-voltage reactive power automatic compensation controller, usually adopt relay tip output control mode, this mode makes that controller architecture complexity, cost increase, the control capacity is limited, makes the low-voltage reactive power automatic compensation equipment wiring complexity of forming thus simultaneously, safeguards inconvenience.
Summary of the invention:
The purpose of this utility model provide a kind of simple for structure, cost is lower, controlled quentity controlled variable expand to be easy to the low-voltage reactive power automatic compensation controller, and makes the low-voltage reactive power automatic compensation equipment wiring of forming thus simple, easy to maintenance.
Technical solution of the present utility model is: a kind of low-voltage reactive power automatic compensation controller based on Control on Communication, communication interface is arranged, it is characterized in that: smart circuit is arranged, smart circuit and communication interface circuit join, communication interface circuit is the bus type interface circuit, and smart circuit is connected to reactive power or power-factor measurement pre-process circuit, display circuit and keyboard circuit.
In the smart circuit described in the utility model single-chip microcomputer is arranged.Reactive power or power-factor measurement pre-process circuit are connected to distribution voltage instrument transformer and distribution current transformer.Display circuit adopts liquid crystal or charactron display device.
The beneficial effects of the utility model are: simple for structure, cost is lower, controlled quentity controlled variable expands easily, and make the low-voltage reactive power automatic compensation equipment wiring of forming thus simple, easy to maintenance.
The utility model is described in further detail below in conjunction with drawings and Examples:
Description of drawings:
Accompanying drawing is the electrical schematic diagram of a kind of low-voltage reactive power automatic compensation controller based on Control on Communication of the present utility model.
Embodiment:
Among the figure: 1.-smart circuit, form by single-chip microcomputer and peripheral circuit thereof;
2.-reactive power (or power factor) measurement pre-process circuit;
3.-RS-485 (bus type) communication interface circuit;
4.-display circuit;
5.-keyboard circuit;
6.-working power circuit;
U
A, U
C-distribution wire voltage U
AC
I
b *, I
b-distribution B phase secondary current (0～5A).
Operation principle:
1) reactive power (power factor) control automatically: 2. to distribution voltage U
ACWith the distribution electric current I
bCarry out preliminary treatment, deliver to 1., 1. measure in view of the above, calculate and processing such as correction, obtain distribution reactive power (power factor), if reactive power (power factor) lags behind, then 1. by 3. adopting communication mode to assign to put into operation the capacitor control command, corresponding capacitor puts into operation, if reactive power (power factor) is leading, then 1. move back the control command of transporting capacitor by 3. adopting communication mode to assign, move back the corresponding capacitor of fortune, thereby make distribution Reactive Power Control in a suitable smaller value scope (or the higher numerical value of power factor);
2) parameter measurement shows: 1. by 2. recording parameters such as distribution voltage, power factor, deliver to 4. demonstration;
3) capacitor operating state indication: 1. by 3. electrolysis condenser throwing, retreating fortune state, deliver to then and 4. make corresponding capacitor state lamp shinny or extinguish;
4) man-machine interface:, do response accordingly manually by 5. making 1. perception;
5) working power: distribution U
ACCause 6., 6. with U
ACBe transformed into the DC power supply that meets 1., 2., 3., 4., 5. waits needs, make it reliably working.
Claims (4)
1, a kind of low-voltage reactive power automatic compensation controller based on Control on Communication, communication interface is arranged, it is characterized in that: smart circuit is arranged, smart circuit and communication interface circuit join, communication interface circuit is the bus type interface circuit, and smart circuit is connected to reactive power or power-factor measurement pre-process circuit, display circuit and keyboard circuit.
2, the low-voltage reactive power automatic compensation controller based on Control on Communication according to claim 1 is characterized in that: single-chip microcomputer is arranged in the smart circuit.
3, the low-voltage reactive power automatic compensation controller based on Control on Communication according to claim 1 and 2, it is characterized in that: reactive power or power-factor measurement pre-process circuit are connected to distribution voltage instrument transformer and distribution current transformer.
4, the low-voltage reactive power automatic compensation controller based on Control on Communication according to claim 1 and 2 is characterized in that: display circuit adopts liquid crystal or charactron display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720042343XU CN201118242Y (en) | 2007-11-19 | 2007-11-19 | Low-voltage powerless automatic compensating controller based on communication control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720042343XU CN201118242Y (en) | 2007-11-19 | 2007-11-19 | Low-voltage powerless automatic compensating controller based on communication control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118242Y true CN201118242Y (en) | 2008-09-17 |
Family
ID=39992832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720042343XU Expired - Fee Related CN201118242Y (en) | 2007-11-19 | 2007-11-19 | Low-voltage powerless automatic compensating controller based on communication control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201118242Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066606A (en) * | 2011-10-22 | 2013-04-24 | 徐州上若伏安电气有限公司 | 485-bus-based cutting machine control technology |
-
2007
- 2007-11-19 CN CNU200720042343XU patent/CN201118242Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066606A (en) * | 2011-10-22 | 2013-04-24 | 徐州上若伏安电气有限公司 | 485-bus-based cutting machine control technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIANDAI ELECTRIC POWER CAPACITORS CO., LTD., JIANG Free format text: FORMER OWNER: XIANDAI ELECTRIC SCIENCE + TECHNOLOGY CO., LTD., NANTONG Effective date: 20111104 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111104 Address after: 226005 Nantong City, Jiangsu Province modern power road, No. 1 Patentee after: Jiangsu TDS Capacitor Co., Ltd. Address before: 226005 No. 395 Renmin West Road, Jiangsu, Nantong Patentee before: Nantong Xiandai Electric Power Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU MODERN ELECTRIC TECHNOLOGY CO., LTD. Free format text: FORMER NAME: XIANDAI ELECTRIC POWER CAPACITORS CO., LTD., JIANGSU |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 226005 Nantong City, Jiangsu Province modern power road, No. 1 Patentee after: JIANGSU MODERN POWER CAPACITOR CO., LTD. Address before: 226005 Nantong City, Jiangsu Province modern power road, No. 1 Patentee before: Jiangsu TDS Capacitor Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20161119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |