CN212277941U - Power regulating power supply - Google Patents

Power regulating power supply Download PDF

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Publication number
CN212277941U
CN212277941U CN202021432078.8U CN202021432078U CN212277941U CN 212277941 U CN212277941 U CN 212277941U CN 202021432078 U CN202021432078 U CN 202021432078U CN 212277941 U CN212277941 U CN 212277941U
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China
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controlled silicon
current transformer
thyristor
regulating circuit
resistor
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CN202021432078.8U
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Chinese (zh)
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于良中
吴景营
欧阳炳健
吴文志
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Guangdong Guangda Electrical Co ltd
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Guangdong Guangda Electrical Co ltd
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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
    • 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
    • Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks

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Abstract

The utility model particularly relates to a transfer merit power, including A looks, B looks and C looks, wherein: still including triggering the board, it is equipped with first regulating circuit to trigger the board, second regulating circuit and third regulating circuit, A looks one end is connected with first regulating circuit's one end, B looks one end is connected with second regulating circuit's one end, C looks one end is connected with third regulating circuit's one end, first regulating circuit's the other end is connected in the common terminal between B looks one end and the second regulating circuit, the common terminal between C looks one end and the third regulating circuit is connected to the other end of second regulating circuit, first regulating circuit is equipped with the controller that is used for controlling first regulating circuit operating condition, the controller is connected respectively in second regulating circuit and third regulating circuit. The utility model has the advantages that: this structure is used through first regulating circuit, second regulating circuit and third regulating circuit and controller combination, controls the regulation to the power, and control aspect more accurate.

Description

Power regulating power supply
Technical Field
The utility model relates to a power technical field specifically is a power regulation power.
Background
The existing power regulating power supply takes three phases as a group, controls and regulates the power supply, has high total harmonic current distortion rate and influences the quality of power transmission and transmission of a power grid. Also, the power factor is low, resulting in inefficient delivery.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a mode that can implement three groups of three-phase control, control the regulation to the power, and control the aspect more accurate accent merit power.
The utility model discloses a transfer merit power, including A looks, B looks and C looks, its characterized in that: still including triggering the board, it is equipped with first regulating circuit to trigger the board, second regulating circuit and third regulating circuit, A looks one end is connected with first regulating circuit's one end, B looks one end is connected with second regulating circuit's one end, C looks one end is connected with third regulating circuit's one end, first regulating circuit's the other end is connected in the common terminal between B looks one end and the second regulating circuit, the common terminal between C looks one end and the third regulating circuit is connected to the other end of second regulating circuit, first regulating circuit is equipped with the controller that is used for controlling first regulating circuit operating condition, the controller is connected respectively in second regulating circuit and third regulating circuit.
Specifically, the first regulating circuit comprises a current transformer TA1, a current transformer TA2, a current transformer TA3, a thyristor T1, a thyristor T2, a thyristor T3, a thyristor T4, a thyristor T5, a thyristor T6, a resistor R1, a resistor R2 and a resistor R3, wherein one ends of the current transformer TA1, the current transformer TA2 and the current transformer TA3 are connected, the thyristor T1 and the thyristor T2 are connected in parallel, a common end between the thyristor T1 and the thyristor T2 is connected to the current transformer TA1, and a common end on the other side between the thyristor T1 and the thyristor T2 is connected to the resistor R1;
the thyristor T3 and the thyristor T4 are connected in parallel, the common end between the thyristor T3 and the thyristor T4 is connected to a current transformer TA2, and the common end on the other side between the thyristor T3 and the thyristor T4 is connected to a resistor R2;
the controlled silicon T5 and the controlled silicon T6 are connected in parallel, a common end between the controlled silicon T5 and the controlled silicon T6 is connected with a current transformer TA3, a common end on the other side between the controlled silicon T5 and the controlled silicon T6 is connected with a resistor R3, and control ends of the controlled silicon T1, the controlled silicon T2, the controlled silicon T3, the controlled silicon T4, the controlled silicon T5 and the controlled silicon T6 are respectively connected with the controller.
Specifically, the second regulating circuit comprises a current transformer TA4, a current transformer TA5, a current transformer TA6, a thyristor T7, a thyristor T8, a thyristor T9, a thyristor T10, a thyristor T11, a thyristor T12, a resistor R4, a resistor R5 and a resistor R6, wherein one ends of the current transformer TA4, the current transformer TA5 and the current transformer TA6 are connected, the thyristor T7 and the thyristor T8 are connected in parallel, a common end between the thyristor T7 and the thyristor T8 is connected to the current transformer TA4, and a common end on the other side between the thyristor T7 and the thyristor T8 is connected to the resistor R4;
the thyristor T9 and the thyristor T10 are connected in parallel, the common end between the thyristor T9 and the thyristor T10 is connected to a current transformer TA5, and the common end on the other side between the thyristor T9 and the thyristor T10 is connected to a resistor R2;
the controlled silicon T11 and the controlled silicon T12 are connected in parallel, a common end between the controlled silicon T11 and the controlled silicon T12 is connected with a current transformer TA6, a common end on the other side between the controlled silicon T11 and the controlled silicon T12 is connected with a resistor R6, and control ends of the controlled silicon T7, the controlled silicon T8, the controlled silicon T9, the controlled silicon T10 and the controlled silicon T11T and the controlled silicon T12 are respectively connected with the controller.
Specifically, the third regulating circuit comprises a current transformer TA7, a current transformer TA8, a current transformer TA9, a thyristor T13, a thyristor T14, a thyristor T15, a thyristor T16, a thyristor T17, a thyristor T18, a resistor R7, a resistor R8 and a resistor R9, wherein one ends of the current transformer TA13, the current transformer TA14 and the current transformer TA7 are connected, the thyristor T13 and the thyristor T14 are connected in parallel, a common end between the thyristor T13 and the thyristor T14 is connected to the current transformer TA7, and a common end on the other side between the thyristor T13 and the thyristor T14 is connected to the resistor R7;
the thyristor T15 and the thyristor T16 are connected in parallel, the common end between the thyristor T15 and the thyristor T16 is connected to a current transformer TA8, and the common end on the other side between the thyristor T15 and the thyristor T16 is connected to a resistor R8;
the controlled silicon T17 and the controlled silicon T18 are connected in parallel, a common end between the controlled silicon T17 and the controlled silicon T18 is connected with a current transformer TA9, a common end on the other side between the controlled silicon T17 and the controlled silicon T18 is connected with a resistor R9, and control ends of the controlled silicon T13, the controlled silicon T14, the controlled silicon T15, the controlled silicon T16, the controlled silicon T17 and the controlled silicon T18 are respectively connected with the controller.
Specifically, the trigger plate is further connected with a temperature control probe T, a thermistor NTC1 and a fan 1.
Specifically, the controller is provided with a touch screen communication module RS 322.
Specifically, a switch SB1 is connected to pin 1 of the controller.
Specifically, the A phase is provided with a knife and fuse switch QS1, the B phase is provided with a knife and fuse switch QS2, and the C phase is provided with a knife and fuse switch QS 3.
The utility model has the advantages that: this structure uses through first regulating circuit, second regulating circuit and third regulating circuit and controller combination to single-phase control is a set of, and the mode of three-phase control three groups is controlled the power and is adjusted, and more accurate in the aspect of the control.
Drawings
Fig. 1 is a trigger plate of the present invention.
Fig. 2 is a schematic diagram of the connection structure of the phase a, the phase B, the phase C, the first adjusting circuit, the second adjusting circuit, and the third adjusting circuit.
Fig. 3 is a circuit diagram of the controller of the present invention.
Fig. 4 is a schematic diagram of a resonant wave according to the present invention.
Fig. 5 is a schematic diagram of the resonant wave in the fully conducting and non-conducting states according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to 5, the utility model discloses a power regulating power supply, including a looks, B looks and C looks, wherein: still including triggering the board, it is equipped with first regulating circuit to trigger the board, second regulating circuit and third regulating circuit, A looks one end is connected with first regulating circuit's one end, B looks one end is connected with second regulating circuit's one end, C looks one end is connected with third regulating circuit's one end, first regulating circuit's the other end is connected in the common terminal between B looks one end and the second regulating circuit, the common terminal between C looks one end and the third regulating circuit is connected to the other end of second regulating circuit, first regulating circuit is equipped with the controller that is used for controlling first regulating circuit operating condition, the controller is connected respectively in second regulating circuit and third regulating circuit.
The first adjusting circuit comprises a current transformer TA1, a current transformer TA2, a current transformer TA3, a controlled silicon T1, a controlled silicon T2, a controlled silicon T3, a controlled silicon T4, a controlled silicon T5, a controlled silicon T6, a resistor R1, a resistor R2 and a resistor R3, one ends of the current transformer TA1, the current transformer TA2 and the current transformer TA3 are connected, the controlled silicon T1 and the controlled silicon T2 are connected in parallel, a common end between the controlled silicon T1 and the controlled silicon T2 is connected to the current transformer TA1, and the common end on the other side between the controlled silicon T1 and the controlled silicon T2 is connected with the resistor R1;
the thyristor T3 and the thyristor T4 are connected in parallel, the common end between the thyristor T3 and the thyristor T4 is connected to a current transformer TA2, and the common end on the other side between the thyristor T3 and the thyristor T4 is connected to a resistor R2;
the controlled silicon T5 and the controlled silicon T6 are connected in parallel, a common end between the controlled silicon T5 and the controlled silicon T6 is connected with a current transformer TA3, a common end on the other side between the controlled silicon T5 and the controlled silicon T6 is connected with a resistor R3, and control ends of the controlled silicon T1, the controlled silicon T2, the controlled silicon T3, the controlled silicon T4, the controlled silicon T5 and the controlled silicon T6 are respectively connected with the controller.
The second regulating circuit comprises a current transformer TA4, a current transformer TA5, a current transformer TA6, a controlled silicon T7, a controlled silicon T8, a controlled silicon T9, a controlled silicon T10, a controlled silicon T11, a controlled silicon T12, a resistor R4, a resistor R5 and a resistor R6, one ends of the current transformer TA4, the current transformer TA5 and the current transformer TA6 are connected, the controlled silicon T7 and the controlled silicon T8 are connected in parallel, a common end between the controlled silicon T7 and the controlled silicon T8 is connected to the current transformer TA4, and the common end on the other side between the controlled silicon T7 and the controlled silicon T8 is connected with the resistor R4;
the thyristor T9 and the thyristor T10 are connected in parallel, the common end between the thyristor T9 and the thyristor T10 is connected to a current transformer TA5, and the common end on the other side between the thyristor T9 and the thyristor T10 is connected to a resistor R2;
the controlled silicon T11 and the controlled silicon T12 are connected in parallel, a common end between the controlled silicon T11 and the controlled silicon T12 is connected with a current transformer TA6, a common end on the other side between the controlled silicon T11 and the controlled silicon T12 is connected with a resistor R6, and control ends of the controlled silicon T7, the controlled silicon T8, the controlled silicon T9, the controlled silicon T10 and the controlled silicon T11T and the controlled silicon T12 are respectively connected with the controller.
The third regulating circuit comprises a current transformer TA7, a current transformer TA8, a current transformer TA9, a controlled silicon T13, a controlled silicon T14, a controlled silicon T15, a controlled silicon T16, a controlled silicon T17, a controlled silicon T18, a resistor R7, a resistor R8 and a resistor R9, one ends of the current transformer TA13, the current transformer TA14 and the current transformer TA7 are connected, the controlled silicon T13 and the controlled silicon T14 are connected in parallel, a common end between the controlled silicon T13 and the controlled silicon T14 is connected to the current transformer TA7, and the common end on the other side between the controlled silicon T13 and the controlled silicon T14 is connected with the resistor R7;
the thyristor T15 and the thyristor T16 are connected in parallel, the common end between the thyristor T15 and the thyristor T16 is connected to a current transformer TA8, and the common end on the other side between the thyristor T15 and the thyristor T16 is connected to a resistor R8;
the controlled silicon T17 and the controlled silicon T18 are connected in parallel, a common end between the controlled silicon T17 and the controlled silicon T18 is connected with a current transformer TA9, a common end on the other side between the controlled silicon T17 and the controlled silicon T18 is connected with a resistor R9, and control ends of the controlled silicon T13, the controlled silicon T14, the controlled silicon T15, the controlled silicon T16, the controlled silicon T17 and the controlled silicon T18 are respectively connected with the controller.
The trigger plate is also connected with a temperature control probe T, a thermistor NTC1 and a fan 1. The controller is provided with a touch screen communication module RS 322. And a pin 1 of the controller is connected with a switch SB 1. The A phase is provided with a knife fuse switch QS1, the B phase is provided with a knife fuse switch QS2, and the C phase is provided with a knife fuse switch QS 3.
The thyristors T1 to T18 are respectively connected with the controller, and can respectively detect the current state of the phase A through a current transformer TA1 to a current transformer TA3, the current transformers TA4 to TA6 detect the current state of the phase B, and the current transformers TA7 to TA9 detect the current state of the phase C.
The utility model discloses a power adjustment power supply technology to single-phase control is a set of, and the mode of three groups of three-phase control is controlled the regulation to the power, and is more accurate in the aspect of the control.
As shown in FIG. 4, A is the conduction result according to the angle; 1 is fully conductive and 0 is non-conductive.
Assuming that power modulation is required, the combination of power modulation can be divided into 3 scheme modulations.
Power adjustment scheme 1: g1 and G2 are not conducted, and G3 can adjust the conduction angle to conduct according to requirements; g4 and G6 are not conducted, and G5 can adjust the conduction angle to conduct according to requirements; g8 and G9 are not conducted, and G7 can adjust the conduction angle to conduct according to requirements; the above can be performed simultaneously.
Power adjustment scheme 2: g1 is fully conducted, G2 is not conducted, and G3 can adjust the conduction angle to conduct according to requirements; g6 is fully conducted, G4 is not conducted, and G5 can adjust the conduction angle to conduct according to requirements; g8 is fully conductive and G9 is non-conductive, G7 can adjust the conduction angle to conduct according to the requirement. The above can be performed simultaneously.
Power adjustment scheme 3: g1 and G2 are fully conducted, and G3 can adjust the conduction angle to conduct according to requirements; g4 and G6 are fully conducted, and G5 can adjust the conduction angle to conduct according to requirements; g8 and G9 are fully conducted, and G7 can adjust the conduction angle to conduct according to requirements; the above-mentioned three-phase power-regulating device can simultaneously regulate power, and can mutually change control mode between same phases so as to attain three-phase balance.
No matter which scheme is executed, the phase-to-phase separate compensation control mode can be accurately realized, the total harmonic current distortion rate is reduced, the power factor of a power grid is improved, and the product loss is reduced. Wherein, the heating with full power is reduced or the heating is stopped at the same time, the fluctuation of the heating power is larger, and the power loss is larger. The circuit utilizes the combination of a regulating circuit and a controller, as shown in fig. 4 and 5, A is the conduction of the controllable silicon according to the angle, 1 is the full conduction of the controllable silicon, and 0 is the non-conduction of the controllable silicon. By adopting one of the power regulating schemes, the power regulating power supply meets the temperature control, and meanwhile, the harmonic current distortion rate is reduced and the power factor is improved.

Claims (8)

1. The power regulation power supply comprises an A phase, a B phase and a C phase, and is characterized in that: still including triggering the board, it is equipped with first regulating circuit to trigger the board, second regulating circuit and third regulating circuit, A looks one end is connected with first regulating circuit's one end, B looks one end is connected with second regulating circuit's one end, C looks one end is connected with third regulating circuit's one end, first regulating circuit's the other end is connected in the common terminal between B looks one end and the second regulating circuit, the common terminal between C looks one end and the third regulating circuit is connected to the other end of second regulating circuit, first regulating circuit is equipped with the controller that is used for controlling first regulating circuit operating condition, the controller is connected respectively in second regulating circuit and third regulating circuit.
2. The power regulating power supply of claim 1, wherein: the first adjusting circuit comprises a current transformer TA1, a current transformer TA2, a current transformer TA3, a controlled silicon T1, a controlled silicon T2, a controlled silicon T3, a controlled silicon T4, a controlled silicon T5, a controlled silicon T6, a resistor R1, a resistor R2 and a resistor R3, one ends of the current transformer TA1, the current transformer TA2 and the current transformer TA3 are connected, the controlled silicon T1 and the controlled silicon T2 are connected in parallel, a common end between the controlled silicon T1 and the controlled silicon T2 is connected to the current transformer TA1, and the common end on the other side between the controlled silicon T1 and the controlled silicon T2 is connected with the resistor R1;
the thyristor T3 and the thyristor T4 are connected in parallel, the common end between the thyristor T3 and the thyristor T4 is connected to a current transformer TA2, and the common end on the other side between the thyristor T3 and the thyristor T4 is connected to a resistor R2;
the controlled silicon T5 and the controlled silicon T6 are connected in parallel, a common end between the controlled silicon T5 and the controlled silicon T6 is connected with a current transformer TA3, a common end on the other side between the controlled silicon T5 and the controlled silicon T6 is connected with a resistor R3, and control ends of the controlled silicon T1, the controlled silicon T2, the controlled silicon T3, the controlled silicon T4, the controlled silicon T5 and the controlled silicon T6 are respectively connected with the controller.
3. The power regulating power supply of claim 1, wherein: the second regulating circuit comprises a current transformer TA4, a current transformer TA5, a current transformer TA6, a controlled silicon T7, a controlled silicon T8, a controlled silicon T9, a controlled silicon T10, a controlled silicon T11, a controlled silicon T12, a resistor R4, a resistor R5 and a resistor R6, one ends of the current transformer TA4, the current transformer TA5 and the current transformer TA6 are connected, the controlled silicon T7 and the controlled silicon T8 are connected in parallel, a common end between the controlled silicon T7 and the controlled silicon T8 is connected to the current transformer TA4, and the common end on the other side between the controlled silicon T7 and the controlled silicon T8 is connected with the resistor R4;
the thyristor T9 and the thyristor T10 are connected in parallel, the common end between the thyristor T9 and the thyristor T10 is connected to a current transformer TA5, and the common end on the other side between the thyristor T9 and the thyristor T10 is connected to a resistor R2;
the controlled silicon T11 and the controlled silicon T12 are connected in parallel, a common end between the controlled silicon T11 and the controlled silicon T12 is connected with a current transformer TA6, a common end on the other side between the controlled silicon T11 and the controlled silicon T12 is connected with a resistor R6, and control ends of the controlled silicon T7, the controlled silicon T8, the controlled silicon T9, the controlled silicon T10 and the controlled silicon T11T and the controlled silicon T12 are respectively connected with the controller.
4. The power regulating power supply of claim 1, wherein: the third regulating circuit comprises a current transformer TA7, a current transformer TA8, a current transformer TA9, a controlled silicon T13, a controlled silicon T14, a controlled silicon T15, a controlled silicon T16, a controlled silicon T17, a controlled silicon T18, a resistor R7, a resistor R8 and a resistor R9, one ends of the current transformer TA13, the current transformer TA14 and the current transformer TA7 are connected, the controlled silicon T13 and the controlled silicon T14 are connected in parallel, a common end between the controlled silicon T13 and the controlled silicon T14 is connected to the current transformer TA7, and the common end on the other side between the controlled silicon T13 and the controlled silicon T14 is connected with the resistor R7;
the thyristor T15 and the thyristor T16 are connected in parallel, the common end between the thyristor T15 and the thyristor T16 is connected to a current transformer TA8, and the common end on the other side between the thyristor T15 and the thyristor T16 is connected to a resistor R8;
the controlled silicon T17 and the controlled silicon T18 are connected in parallel, a common end between the controlled silicon T17 and the controlled silicon T18 is connected with a current transformer TA9, a common end on the other side between the controlled silicon T17 and the controlled silicon T18 is connected with a resistor R9, and control ends of the controlled silicon T13, the controlled silicon T14, the controlled silicon T15, the controlled silicon T16, the controlled silicon T17 and the controlled silicon T18 are respectively connected with the controller.
5. The power regulating power supply of claim 1, wherein: the trigger plate is also connected with a temperature control probe T, a thermistor NTC1 and a fan 1.
6. The power regulating power supply of claim 1, wherein: the controller is provided with a touch screen communication module RS 322.
7. The power regulating power supply of claim 1, wherein: and a pin 1 of the controller is connected with a switch SB 1.
8. The power regulating power supply of claim 1, wherein: the A phase is provided with a knife fuse switch QS1, the B phase is provided with a knife fuse switch QS2, and the C phase is provided with a knife fuse switch QS 3.
CN202021432078.8U 2020-07-20 2020-07-20 Power regulating power supply Active CN212277941U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021432078.8U CN212277941U (en) 2020-07-20 2020-07-20 Power regulating power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021432078.8U CN212277941U (en) 2020-07-20 2020-07-20 Power regulating power supply

Publications (1)

Publication Number Publication Date
CN212277941U true CN212277941U (en) 2021-01-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021432078.8U Active CN212277941U (en) 2020-07-20 2020-07-20 Power regulating power supply

Country Status (1)

Country Link
CN (1) CN212277941U (en)

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