CN210092886U - Reactive compensation control system - Google Patents
Reactive compensation control system Download PDFInfo
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- CN210092886U CN210092886U CN201921442746.2U CN201921442746U CN210092886U CN 210092886 U CN210092886 U CN 210092886U CN 201921442746 U CN201921442746 U CN 201921442746U CN 210092886 U CN210092886 U CN 210092886U
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- transformer
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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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- 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
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
Abstract
The utility model relates to a reactive compensation control system, including reactive compensation controller, a plurality of on-off switch, a plurality of condenser, all be provided with communication interface on reactive compensation controller and the on-off switch, the reactive compensation controller includes switching power supply, is provided with power end and RS485 communication end on the communication interface, switching power supply exports 18V's DC voltage and 5V's DC voltage to the communication interface power end of reactive compensation controller, the communication interface of reactive compensation controller is connected with on-off switch's communication interface electricity, the input of condenser is connected respectively to on-off switch's output. The utility model discloses a reactive compensation control system realizes reactive compensation controller and switching power supply's sharing, greatly reduced manufacturing cost, and switching power supply's power supply reliable and stable.
Description
Technical Field
The utility model relates to an electric power supply field especially relates to a reactive compensation control system.
Background
The reactive power compensation control system is a power utilization system which can stabilize the voltage of a power grid, improve the power supply quality of the power grid and the utilization rate of a transformer, save electric energy and improve the reliability of power utilization. The reactive compensation control system generally comprises a reactive compensation controller, a switching switch and a capacitor, wherein the reactive compensation controller acquires current and voltage data of a power supply system, calculates a power factor, and then controls the switching switch to realize switching of the capacitor, so that reactive compensation is realized. The existing reactive compensation controller and the fling-cut switch are respectively supplied with power by independent power supplies, particularly, the power supply of the fling-cut switch is direct-current voltage obtained by voltage reduction of a transformer and subsequent rectification and filtering, the size of a shell of the fling-cut switch is increased due to the existence of the transformer, the production cost of the fling-cut switch is increased, and the power supply voltage is not reliable.
Disclosure of Invention
In view of this, the utility model aims at providing a with the reactive compensation control system of the power of reactive compensation controller and fling-cut switch sharing to reduction in production cost, reduction fling-cut switch's volume, and the reliability of improvement fling-cut switch power supply.
In order to realize above mesh, the utility model discloses a such reactive compensation control system, including reactive compensation controller, a plurality of fling-cut switch, a plurality of condenser, all be provided with communication interface on reactive compensation controller and the fling-cut switch, the reactive compensation controller includes switching power supply, is provided with the power end on the communication interface, switching power supply's output is connected to reactive compensation controller's communication interface, reactive compensation controller's communication interface is connected with fling-cut switch's communication interface electricity, the input of condenser is connected respectively to fling-cut switch's output.
The switch power supply of the reactive compensation controller outputs direct current voltage to the power supply end of the communication interface of the reactive compensation controller, and the reactive compensation controller supplies the direct current voltage to the switching switch through the communication interface, so that the power supply modules of the reactive compensation controller and the switching switch are shared. This reactive compensation control system is through setting up the power end at communication interface for the reactive compensation controller provides operating voltage for the fling-cut switch when controlling fling-cut switch work, and it is convenient to walk the line, and greatly reduced reactive compensation control system's manufacturing cost has also reduced fling-cut switch's volume.
The utility model is further configured as a switching power supply including a resistor FR1, resistors R1 to R4, capacitors C1 to C17, diodes D1 to D8, a transformer T1, a transformer T2, an inductor L1, an inductor L2, a light emitting diode LED1, and a light emitting diode LED2, wherein the diode D2, the diode D3, the diode D5, and the diode D5 constitute a rectifier bridge, one end of the resistor FR 5 is connected to one phase of the external three-phase alternating current, the other end of the resistor FR 5 and the N phase of the external three-phase alternating current are respectively connected to an input end of the rectifier bridge, an output end of the rectifier bridge is connected to one end of a secondary side of the transformer T5, two ends of the capacitor C5 are respectively connected to one end of the secondary side of the transformer T5 and one end of a primary side of the transformer T5, two ends of the capacitor C5 are respectively connected to the other end of the secondary side of the transformer T5 and the other end of the transformer T5, a secondary winding and an auxiliary winding, wherein one end of a capacitor C9 is connected to the anode of the diode D4, one end of a capacitor C15 and one end of the primary winding of the transformer T1, the other end of the capacitor C15 is grounded, the cathode of a diode D4 is connected to the cathode of a diode D7, the anode of the diode D7 is connected to the other end of the primary winding of the transformer T7, one end of the secondary winding is connected to the anode of the diode D7, the resistor R7 and the capacitor C7 are connected in series, one end of the resistor R7 is connected to the anode of the diode D7, one end of the capacitor C7 is connected to the cathode of the diode D7, the inductor L7, the capacitor C7, the capacitors C7 and the capacitor C7 are connected in series in sequence, the cathodes of the diode D7 are connected to one end of the inductor L7 and one end of the capacitor C7, the other end of the capacitor C7 is grounded, the capacitor C7 is connected in parallel to both ends of the capacitor C7, the light emitting diode R7 and the light emitting diode, one end of a resistor R2 is connected to the other end of the inductor L1, the cathode of the LED1 is grounded, two ends of a capacitor C5 output a direct current voltage of 18V, one end of the auxiliary winding is connected to the anode of the diode D8, the resistor R3 is connected in series with the capacitor C10, one end of a resistor R3 is connected to the anode of the diode D8, one end of a capacitor C10 is connected to the cathode of the diode D10, the inductor L10, the capacitor C10 and the capacitor C10 are connected in series in sequence, the cathode of the diode D10 is connected to one end of the inductor L10 and one end of the capacitor C10 respectively, the other end of the capacitor C10 is grounded, the capacitor C10 is connected in parallel to two ends of the capacitor C10, the capacitor C10 and the capacitor C10 are connected in parallel to two ends of the capacitor C10, the resistor R10 is connected in series with the LED 10, one end of the resistor R10 is connected to the other end of the inductor L10, the cathode of the LED 36, and the other end of the secondary winding and the other end of the auxiliary winding are both grounded.
The switching power supply can output stable 18V and 5V direct current voltage to supply power to the switching switch, improves the stability of the power supply of the reactive compensation control system, is composed of all electronic components, and has the advantages of small volume, light weight and high efficiency.
The utility model further sets up to be connected to on the communication interface of reactive compensation controller for the direct current voltage of 18V and the direct current voltage of 5V.
This practicality further sets up still to be provided with RS485 communication end on the communication interface.
The reactive compensation controller controls the switching switch to work through the RS485 signal line, and the direct-current power supply voltage and the RS485 communication signal are transmitted to the switching switch from the reactive compensation controller through the communication interface, so that wiring is facilitated.
Drawings
Fig. 1 is a block diagram of a reactive compensation control system according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a switching power supply circuit according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a communication interface circuit according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1-3, the utility model relates to a reactive compensation control system, including reactive compensation controller, a plurality of on-off switch, a plurality of condenser, all be provided with communication interface on reactive compensation controller and the on-off switch, the reactive compensation controller includes switching power supply, is provided with power end and RS485 communication end on the communication interface, switching power supply output 18V's direct current voltage and 5V's direct current voltage to reactive compensation controller's communication interface power end, the communication interface of reactive compensation controller is connected with on-off switch's communication interface electricity, the input of condenser is connected respectively to on-off switch's output.
As shown in fig. 2, the switching power supply includes a resistor FR1, resistors R1 to R4, capacitors C1 to C17, diodes D1 to D8, a transformer T1, a transformer T2, an inductor L1, an inductor L2, a light emitting diode LED1, and a light emitting diode LED2, the diode D2, the diode D3, the diode D5, and the diode D5 form a rectifier bridge, one end of the resistor FR 5 is connected to one phase of the external three-phase alternating current, the other end of the resistor FR 5 and the N phase of the external three-phase alternating current are respectively connected to an input end of the rectifier bridge, an output end of the rectifier bridge is connected to one end of a secondary side of the transformer T5, two ends of the capacitor C5 are respectively connected to one end of the secondary side of the transformer T5 and one end of a primary side of the transformer T5, two ends of the capacitor C5 are respectively connected to the other end of the secondary side of the transformer T5 and the other end of the transformer T5, two ends of the primary winding of, one end of the capacitor C9 is connected to the anode of the diode D4, one end of the capacitor C15 and one end of the primary winding of the transformer T1, the other end of the capacitor C15 is grounded, the cathode of the diode D4 is connected to the cathode of the diode D7, the anode of the diode D7 is connected to the other end of the primary winding of the transformer T7, one end of the secondary winding is connected to the anode of the diode D7, the resistor R7 and the capacitor C7 are connected in series, one end of the resistor R7 is connected to the anode of the diode D7, one end of the capacitor C7 is connected to the cathode of the diode D7, the inductor L7, the capacitor C7 and the capacitor C7 are connected in series, the cathode of the diode D7 is connected to one end of the inductor L7 and one end of the capacitor C7, the other end of the capacitor C7 is grounded, the capacitor C7 is connected in parallel to both ends of the capacitor C7, the capacitor C7 and the light emitting diode R7 are connected in series, one end of a resistor R2 is connected to the other end of the inductor L1, the cathode of the LED1 is grounded, two ends of a capacitor C5 output a direct current voltage of 18V, one end of the auxiliary winding is connected to the anode of the diode D8, the resistor R3 is connected in series with the capacitor C10, one end of a resistor R3 is connected to the anode of the diode D8, one end of a capacitor C10 is connected to the cathode of the diode D10, the inductor L10, the capacitor C10 and the capacitor C10 are connected in series in sequence, the cathode of the diode D10 is connected to one end of the inductor L10 and one end of the capacitor C10 respectively, the other end of the capacitor C10 is grounded, the capacitor C10 is connected in parallel to two ends of the capacitor C10, the capacitor C10 and the capacitor C10 are connected in parallel to two ends of the capacitor C10, the resistor R10 is connected in series with the LED 10, one end of the resistor R10 is connected to the other end of the inductor L10, the cathode of the LED 36, and the other end of the secondary winding and the other end of the auxiliary winding are both grounded.
Claims (4)
1. A reactive compensation control system, characterized by: including reactive compensation controller, a plurality of fling-cut switch, a plurality of condenser, all be provided with communication interface on reactive compensation controller and the fling-cut switch, the reactive compensation controller includes switching power supply, is provided with the power end on the communication interface, switching power supply's output is connected to reactive compensation controller's communication interface, reactive compensation controller's communication interface is connected with fling-cut switch's communication interface electricity, fling-cut switch's output is the input of connecting the condenser respectively.
2. The reactive compensation control system of claim 1, wherein: the switching power supply comprises a resistor FR1, resistors R1-R4, capacitors C1-C17, diodes D1-D8, a transformer T1, a transformer T2, an inductor L1, an inductor L2, a light emitting diode LED1 and a light emitting diode LED2, wherein the diodes D2, the diodes D3, the diodes D5 and the diodes D5 form a rectifier bridge, one end of the resistor FR 5 is connected with one phase of external three-phase alternating current, the other end of the resistor FR 5 and the N phase of the external three-phase alternating current are respectively connected with the input end of the rectifier bridge, the output end of the rectifier bridge is connected with one end of the secondary side of the transformer T5, two ends of the capacitor C5 are respectively connected with one end of the secondary side of the transformer T5 and one end of the primary side of the transformer T5, two ends of the capacitor C5 are respectively connected with the other end of the secondary side of the transformer T5 and the primary side of the transformer T5, two ends of the transformer T5 are both grounded, one end of the capacitor C9 is connected to the anode of the diode D4, one end of the capacitor C15 and one end of the primary winding of the transformer T1, the other end of the capacitor C15 is grounded, the cathode of the diode D4 is connected to the cathode of the diode D7, the anode of the diode D7 is connected to the other end of the primary winding of the transformer T7, one end of the secondary winding is connected to the anode of the diode D7, the resistor R7 and the capacitor C7 are connected in series, one end of the resistor R7 is connected to the anode of the diode D7, one end of the capacitor C7 is connected to the cathode of the diode D7, the inductor L7, the capacitor C7 and the capacitor C7 are connected in series, the cathode of the diode D7 is connected to one end of the inductor L7 and one end of the capacitor C7, the other end of the capacitor C7 is grounded, the capacitor C7 is connected in parallel to both ends of the capacitor C7, the capacitor C7 and the light emitting diode R7 are connected in series, one end of a resistor R2 is connected to the other end of the inductor L1, the cathode of the LED1 is grounded, two ends of a capacitor C5 output a direct current voltage of 18V, one end of the auxiliary winding is connected to the anode of the diode D8, the resistor R3 is connected in series with the capacitor C10, one end of a resistor R3 is connected to the anode of the diode D8, one end of a capacitor C10 is connected to the cathode of the diode D10, the inductor L10, the capacitor C10 and the capacitor C10 are connected in series in sequence, the cathode of the diode D10 is connected to one end of the inductor L10 and one end of the capacitor C10 respectively, the other end of the capacitor C10 is grounded, the capacitor C10 is connected in parallel to two ends of the capacitor C10, the capacitor C10 and the capacitor C10 are connected in parallel to two ends of the capacitor C10, the resistor R10 is connected in series with the LED 10, one end of the resistor R10 is connected to the other end of the inductor L10, the cathode of the LED 36, and the other end of the secondary winding and the other end of the auxiliary winding are both grounded.
3. The reactive compensation control system of claim 2, wherein: the 18V direct-current voltage and the 5V direct-current voltage are both connected to a communication interface of the reactive compensation controller.
4. The reactive compensation control system of claim 2 or 3, wherein: and an RS485 communication end is also arranged on the communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921442746.2U CN210092886U (en) | 2019-09-02 | 2019-09-02 | Reactive compensation control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921442746.2U CN210092886U (en) | 2019-09-02 | 2019-09-02 | Reactive compensation control system |
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| Publication Number | Publication Date |
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| CN210092886U true CN210092886U (en) | 2020-02-18 |
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| CN201921442746.2U Active CN210092886U (en) | 2019-09-02 | 2019-09-02 | Reactive compensation control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525580A (en) * | 2020-05-19 | 2020-08-11 | 珠海格力电器股份有限公司 | Voltage self-adaptive adjusting circuit and method and electrical equipment |
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2019
- 2019-09-02 CN CN201921442746.2U patent/CN210092886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525580A (en) * | 2020-05-19 | 2020-08-11 | 珠海格力电器股份有限公司 | Voltage self-adaptive adjusting circuit and method and electrical equipment |
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