CN205141686U - Intelligence reactive power compensation of capacitor module - Google Patents

Abstract

The utility model discloses an intelligence reactive power compensation of capacitor module, it can be ageing to capacity cell to aim at providing one kind, the capacity reduces and to carry out the intelligence reactive power compensation of capacitor module that compensates, it is ageing to have solved electric capacity, the problem that the capacity descends, its technical scheme main points are the adjustable capacitors that connect in parallel on each condenser, it realizes inserting and the excision to set up the button simultaneously, the effect of the adjustable compensation of electric capacity has been reached, and the service life of the glass pump is increased, prolongs the use time, the efficiency of power transformer's utilization is improved, reduce the line loss, and small in size, installation and maintenance are convenient, be used for rated voltage 380V, 50~1000KVA's of capacity three -phase transformer's reactive compensation, complete function, and reliable in performance, compensation mode is automatic, and the sitting posture eyesight protector is extremely convenient to operate, the utility model is suitable for a power output compensation equipment technical field.

Description

Intelligent capacitor reactive compensation module

Technical field

The utility model relates to a kind of electric power and exports compensation equipment, and more particularly, it relates to a kind of Intelligent capacitor reactive compensation module.

Background technology

In current power network running, due to the increase of non-linear power, perceptual reactive apparatus, cause the electrical network quality of power supply to decline, voltage flicker, require more and more higher for reactive-load compensation equipment like this.

High-voltage parallel capacitor the complete sets of equipment are applicable in power frequency electrical power trans mission/distribution system, and in order to improve power factor, adjustment line voltage, reduces line loss, give full play to device efficiency, improve power supply quality.

High-voltage parallel capacitor the complete sets of equipment, primarily of capacitor panel or steelframe, capacitor, capacitor super-load protection special fuse, electric discharge device (discharging coil special or voltage transformer), suppress the air-core reactor of inrush current limiting high order harmonic component and the equipment such as the zero-clearance zinc oxide lightning arrester of over-voltage and high-pressure vacuum switch composition.Capacitor panel cabinet in cabinet type device adopts electrostatic plastic spraying new technology, surface aesthetic, firm; Frame-like arrangement adopts surface heat zinc-plated steel frame.

Reactive power compensator is also varied, and conventional is exactly capacitor compensation, and Intelligent capacitor reactive compensation module is modular construction, and volume is little, field connection is simple, easy to maintenance, will replace traditional capacitor reactive compensation equipment gradually.Along with the development of Intelligent capacitor reactive compensation module, the volume requirement for capacitor is more and more less.And existing Intelligent capacitor reactive compensation module heat dispersion is poor, radiating efficiency is slow, service time one is long, when switching is too frequent, circuit components is easily aging, and resistance value departs from afterwards, and the capacity of capacitor element reduces, synchronously can not cause the problem of undercompensation can not be effectively adjusted in switching process, the demand of user cannot be met.

Utility model content

For the deficiency that prior art exists, the purpose of this utility model is to provide one can be aging to capacity cell, and capacity reduces the Intelligent capacitor reactive compensation module compensated.

For achieving the above object, the utility model provides following technical scheme: a kind of Intelligent capacitor reactive compensation module, comprise the electron recombination switch module with three phase mains incoming end, first capacitor, second capacitor and the 3rd capacitor, described first capacitor, the output that second capacitor and the 3rd capacitor adopt delta connection to be connected to electron recombination switch module forms three-phase total compensation circuit, described first capacitor, second capacitor and the 3rd capacitor are parallel with the first adjustable condenser respectively, second adjustable condenser, 3rd adjustable condenser,

The first button that control first adjustable condenser is incorporated to is in series with between described first adjustable condenser and the first electric capacity;

The second button that control second adjustable condenser is incorporated to is in series with between described second adjustable condenser and the second electric capacity;

The 3rd button that control the 3rd adjustable condenser is incorporated to is in series with between described 3rd adjustable condenser and the 3rd electric capacity.

The utility model is set to further: be in series with the first diverter switch between one end of described first capacitor and the output of electron recombination switch module, and described first diverter switch is in order to disconnect the connection of electron recombination switch module one end and the first capacitor to be connected to power supply N and to hold;

Be in series with the second diverter switch between one end of described second capacitor and the output of electron recombination switch module, described second diverter switch is in order to disconnect the connection of electron recombination switch module one end and the second capacitor to be connected to power supply N and to hold;

Be in series with the 3rd diverter switch between one end of described 3rd capacitor and the output of electron recombination switch module, described 3rd diverter switch is in order to disconnect the connection of electron recombination switch module one end and the 3rd capacitor is connected to power supply N holds;

Described first diverter switch, the second diverter switch, the 3rd diverter switch are connected with synchronous drive circuit, and described synchronous drive circuit is in order to drive the first diverter switch, the second diverter switch, the 3rd diverter switch action simultaneously.

The utility model is set to further: described first diverter switch, the second diverter switch, the 3rd diverter switch are respectively the first relay, the second relay, the 3rd relay.

The utility model is set to further: described synchronous drive circuit comprises NPN triode, current-limiting resistance and the 4th button; A node after the coil of described first relay, the second relay, the 3rd relay is parallel with one another respectively connects power Vcc, and another node connects the collector electrode of NPN triode,

Described 4th button one end connects power Vcc, and the other end connects current-limiting resistance, and the other end of current-limiting resistance connects the base stage of NPN triode, launches collection ground connection.

Compared with prior art, the beneficial effects of the utility model are: by adjustable condenser in the equal parallel connection in the two ends of capacitor, undertaken accessing and excising by button, make each capacitor after use is permanent, its capacity all can compensate adjustment, thus meets the compensation to electrical network, carrys out the adjustment to capacitance by adjustable condenser, by the mode of shunt capacitance, the capacity of electric capacity is increased, it is all very convenient to use and regulate.

Accompanying drawing explanation

Fig. 1 is the circuit structure diagram of the utility model embodiment;

Fig. 2 is the johning knot composition of synchronous drive circuit.

In figure 1, electron recombination switch module; C1, the first capacitor; C2, the second capacitor; C3, the 3rd capacitor; Cp1, the first adjustable condenser; Cp2, the second adjustable condenser; Cp3, the 3rd adjustable condenser; SB1, the first button; SB2, the second button; SB3, the 3rd button; 2, synchronous drive circuit; Q, NPN triode; R1, current-limiting resistance; SB4, the 4th button; K1, the first relay; K2, the second relay; K3, the 3rd relay.

Embodiment

Referring to figs. 1 through Fig. 2, the utility model embodiment is described further.

As shown in Figure 1, a kind of Intelligent capacitor reactive compensation module, comprise electron recombination switch module 1, first capacitor C1, the second capacitor C2 and the 3rd capacitor C3 with three phase mains incoming end, three phase mains has power end A, B, C three-phase, and also have center line end N, three terminals of three phase mains are connected to the input of electron recombination switch module 1 by inductance L 1, L2, L3.The output that first capacitor C1, the second capacitor C2 and the 3rd capacitor C3 adopt delta connection to be connected to electron recombination switch module 1 forms three-phase total compensation circuit, the output of electron recombination switch module 1 is 3 ports, connect the capacitor of the definite value of delta connection, described first capacitor C1, the second capacitor C2 and the 3rd capacitor C3 are parallel with respectively the first adjustable condenser Cp1, the second adjustable condenser Cp2, the 3rd adjustable condenser Cp3; The first button SB1 that control first adjustable condenser Cp1 is incorporated to is in series with between described first adjustable condenser Cp1 and the first electric capacity; The second button SB2 that control second adjustable condenser Cp2 is incorporated to is in series with between described second adjustable condenser Cp2 and the second electric capacity; The 3rd button SB3 that control the 3rd adjustable condenser Cp3 is incorporated to is in series with between described 3rd adjustable condenser Cp3 and the 3rd electric capacity.By the first button SB1, the second button SB2 and the 3rd button SB3, independently control the access of three adjustable condensers, if find that the capacity of certain capacitor has diminished, thus corresponding button can be pressed, thus can capacitance be increased, then, carried out the size of control capacittance by variable capacitor, thus the capacity of original needs compensation can be met.

Be in series with the first diverter switch between one end of first capacitor C1 and the output of electron recombination switch module 1, described first diverter switch is in order to disconnect the connection of electron recombination switch module 1 one end and the first capacitor C1 is connected to power supply N holds; Be in series with the second diverter switch between one end of described second capacitor C2 and the output of electron recombination switch module 1, described second diverter switch is in order to disconnect the connection of electron recombination switch module 1 one end and the second capacitor C2 is connected to power supply N holds; Be in series with the 3rd diverter switch between one end of described 3rd capacitor C3 and the output of electron recombination switch module 1, described 3rd diverter switch is in order to disconnect the connection of electron recombination switch module 1 one end and the 3rd capacitor C3 is connected to power supply N holds; Described first diverter switch, the second diverter switch, the 3rd diverter switch are connected with synchronous drive circuit 2, and described synchronous drive circuit 2 is in order to drive the first diverter switch, the second diverter switch, the 3rd diverter switch action simultaneously.

As shown in Figure 1, 2, the first diverter switch, the second diverter switch, the 3rd diverter switch are respectively the first relay K 1, second relay K 2, the 3rd relay K 3.The normally-closed contact K1-1 of the first relay K 1 is connected to the first capacitor C1 and three phase mains B and holds, the normally-closed contact K2-1 of the second relay K 2 is connected to the second capacitor C2 and three phase mains C and holds, and the A that the normally-closed contact K3-1 of the 3rd relay K 3 is connected to the 3rd capacitor C3 and three phase mains holds.When normally-closed contact disconnects simultaneously, one end of three capacitors disconnects simultaneously and is connected to power supply N with the connection of three phase mains simultaneously and holds.Thus the delta connection of the first capacitor C1, the second capacitor C2 and the 3rd capacitor C3 can be realized to be switched to star connection, thus thus three-phase total compensation type is switched to three-phase separate-supplement type, thus concerning the switching of compensating circuit and the saving of components and parts, reduce cost, improve the convenient degree of use.

As shown in Figure 2, synchronous drive circuit 2 comprises NPN triode Q, current-limiting resistance R1 and the 4th button SB4; A node after the coil of described first relay K 1, second relay K 2, the 3rd relay K 3 is parallel with one another respectively connects power Vcc, another node connects the collector electrode of NPN triode Q, described 4th button SB4 one end connects power Vcc, the other end connects current-limiting resistance R1, the other end of current-limiting resistance R1 connects the base stage of NPN triode Q, launches collection ground connection.When the 4th button SB4 presses, NPN triode Q conducting, thus connect three relays simultaneously, thus action switching is carried out to three normally-closed contacts simultaneously, improve the quick degree of response.

The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.

Claims (4)

1. an Intelligent capacitor reactive compensation module, comprise electron recombination switch module, the first capacitor, the second capacitor and the 3rd capacitor with three phase mains incoming end, it is characterized in that: the output that described first capacitor, the second capacitor and the 3rd capacitor adopt delta connection to be connected to electron recombination switch module forms three-phase total compensation circuit, described first capacitor, the second capacitor and the 3rd capacitor is parallel with respectively the first adjustable condenser, the second adjustable condenser, the 3rd adjustable condenser;

The first button that control first adjustable condenser is incorporated to is in series with between described first adjustable condenser and the first electric capacity;

The second button that control second adjustable condenser is incorporated to is in series with between described second adjustable condenser and the second electric capacity;

The 3rd button that control the 3rd adjustable condenser is incorporated to is in series with between described 3rd adjustable condenser and the 3rd electric capacity.

2. Intelligent capacitor reactive compensation module according to claim 1, it is characterized in that: be in series with the first diverter switch between one end of described first capacitor and the output of electron recombination switch module, described first diverter switch is in order to disconnect the connection of electron recombination switch module one end and the first capacitor to be connected to power supply N and to hold;

Be in series with the second diverter switch between one end of described second capacitor and the output of electron recombination switch module, described second diverter switch is in order to disconnect the connection of electron recombination switch module one end and the second capacitor to be connected to power supply N and to hold;

Be in series with the 3rd diverter switch between one end of described 3rd capacitor and the output of electron recombination switch module, described 3rd diverter switch is in order to disconnect the connection of electron recombination switch module one end and the 3rd capacitor is connected to power supply N holds;

Described first diverter switch, the second diverter switch, the 3rd diverter switch are connected with synchronous drive circuit, and described synchronous drive circuit is in order to drive the first diverter switch, the second diverter switch, the 3rd diverter switch action simultaneously.

3. Intelligent capacitor reactive compensation module according to claim 2, is characterized in that: described first diverter switch, the second diverter switch, the 3rd diverter switch are respectively the first relay, the second relay, the 3rd relay.

4. Intelligent capacitor reactive compensation module according to claim 3, is characterized in that: described synchronous drive circuit comprises NPN triode, current-limiting resistance and the 4th button; A node after the coil of described first relay, the second relay, the 3rd relay is parallel with one another respectively connects power Vcc, and another node connects the collector electrode of NPN triode,

Described 4th button one end connects power Vcc, and the other end connects current-limiting resistance, and the other end of current-limiting resistance connects the base stage of NPN triode, launches collection ground connection.