CN206099051U - Multi -functional reactive power compensator cabinet on spot - Google Patents

Abstract

The utility model relates to a multi -functional reactive power compensator cabinet on spot belongs to consumer technical field. Technical scheme is: circuit breaker two (6) interconnects and constitutes the building -out capacitor unit with building -out capacitor unit no. 1, building -out capacitor unit no. 2, building -out capacitor unit no. 3, building -out capacitor unit no. 4 respectively, and current transformer two (4) interconnects with current relay (23), and circuit breaker (1), contactor (2), current transformer one (3), building -out capacitor unit, current transformer two (4), auxiliary relay (24), motor (5) connect gradually. The utility model discloses install the end at motor junction, use the utility model discloses light solve that motor load is big, power supply circuit is far away, the reactive compensation problem the when motor starts with normal operating has still been compromise simultaneously to starting difficulty's a difficult problem, has good economic effects, has great spreading value.

Description

A kind of Multi-functional on-site reactive compensation cabinet

Technical field

This utility model is related to a kind of Multi-functional on-site reactive compensation cabinet, belongs to electrical equipment technical field.

Background technology

Electromotor heavy load starts, and farther out, situation about can not starting often occurs to power supply in Jing.It is that circuit is long to analyze its reason, Impedance is big, and motor starting current is big, and startup moment pressure drop is excessive, causes terminal voltage of motor too low, causes difficulty in starting.

Utility model content

This utility model purpose is to provide a kind of Multi-functional on-site reactive compensation cabinet, installed in motor wiring end, there is provided Motor start-up and the reactive-load compensation of two kinds of capacity during normal operation, efficiently solve above-mentioned present in background technology asking Topic.

The technical solution of the utility model is：A kind of Multi-functional on-site reactive compensation cabinet, comprising chopper one, catalyst, Current transformer one, current transformer two, motor, chopper two, chopper three, chopper four, chopper five, chopper 6th, catalyst one, catalyst two, catalyst three, catalyst four, catalyst five, catalyst six, catalyst seven, catalyst eight, electricity Container one, capacitor two, capacitor three, capacitor four, electric current relay and auxiliary reclay, the chopper three, catalyst First, catalyst five, capacitor one are sequentially connected composition compensating electric capacity unit one, chopper four, catalyst two, catalyst six, electricity Container two is sequentially connected composition compensating electric capacity unit two, and chopper five, catalyst three, catalyst seven, capacitor three are sequentially connected Composition compensating electric capacity unit three, chopper six, catalyst four, catalyst eight, capacitor four are sequentially connected composition compensating electric capacity list Unit four, chopper two respectively with compensating electric capacity unit one, compensating electric capacity unit two, compensating electric capacity unit three, compensating electric capacity unit Four interconnect composition compensating electric capacity unit, and current transformer two is interconnected with electric current relay, chopper one, catalyst, Current transformer one, compensating electric capacity unit, current transformer two, auxiliary reclay, motor are sequentially connected.

It is additionally provided with Novel fixed-type multipurpose socket.

The beneficial effects of the utility model are：Installed in motor wiring end, easily solved using this utility model electronic Machine load is big, power line great distance, a difficult problem for difficulty in starting, while also having taken into account motor start-up with idle benefit during normal operation Problem is repaid, has good economic effect, have larger promotional value.

Description of the drawings

Fig. 1 is structure chart of the present utility model；

In figure：Chopper 1, catalyst 2, current transformer 1, current transformer 24, motor 5, chopper 26, Chopper 37, chopper 48, chopper 59, chopper 6 10, catalyst 1, catalyst 2 12, catalyst 3 13, connect Tentaculum 4 14, catalyst 5 15, catalyst 6 16, catalyst 7 17, catalyst 8 18, capacitor 1, capacitor 2 20, electricity Container 3 21, capacitor 4 22, electric current relay 23, auxiliary reclay 24.

Specific embodiment

Below in conjunction with accompanying drawing, by embodiment, the utility model is described in further detail.

A kind of Multi-functional on-site reactive compensation cabinet, comprising chopper 1, catalyst 2, current transformer one 3, Current Mutual Inductance Device 24, motor 5, chopper 26, chopper 37, chopper 48, chopper 59, chopper 6 10, catalyst 1, Catalyst 2 12, catalyst 3 13, catalyst 4 14, catalyst 5 15, catalyst 6 16, catalyst 7 17, catalyst 8 18, Capacitor 1, capacitor 2 20, capacitor 3 21, capacitor 4 22, electric current relay 23 and auxiliary reclay 24, it is described disconnected Road device 37, catalyst 1, catalyst 5 15, capacitor 1 are sequentially connected and constitute compensating electric capacity unit one, chopper 48, Catalyst 2 12, catalyst 6 16, capacitor 2 20 are sequentially connected composition compensating electric capacity unit two, chopper 59, catalyst three 13rd, catalyst 7 17, capacitor 3 21 are sequentially connected composition compensating electric capacity unit three, chopper 6 10, catalyst 4 14, contact Device 8 18, capacitor 4 22 are sequentially connected composition compensating electric capacity unit four, chopper 26 respectively with compensating electric capacity unit one, mend Repay capacitor cell two, compensating electric capacity unit three, compensating electric capacity unit four and interconnect composition compensating electric capacity unit, current transformer 24 are interconnected with electric current relay 23, and chopper 1, catalyst 2, current transformer 1, compensating electric capacity unit, electric current are mutual Sensor 24, auxiliary reclay 24, motor 5 are sequentially connected.

It is additionally provided with Novel fixed-type multipurpose socket.

In actual applications, Jing is analyzed, studies, is calculated, and the capacity of capacitor bank compensated during normal operation is much smaller than startup When need the capacitance of compensation, it is therefore necessary to by capacitance when starting being configured；After startup is finished, again will Which switches to automatic compensating coefficient during normal operation.Operating principle is as follows：When pressing motor start button chopper 1 When, catalyst 2 connects, and one 3 summation current transformer of current transformer 24 works, and motor 5 starts.Now starting current exceedes The normal operation that electric current relay 23 is arranged allows current value, 23 opened point of electric current relay closure, 24 coil of auxiliary reclay It is powered, with the closure of 24 opened point of auxiliary reclay, switch-capacitor catalyst 1, catalyst 4 14, catalyst 5 15, connect Tentaculum 8 18, capacitor 1, capacitor 2 20, capacitor 3 21, capacitor 4 22 put into operation, to the electricity in start-up course Motivation is compensated.

Claims (1)

1. a kind of Multi-functional on-site reactive compensation cabinet, it is characterised in that：Comprising chopper one（1）, catalyst（2）, Current Mutual Inductance Device one（3）, current transformer two（4）, motor（5）, chopper two（6）, chopper three（7）, chopper four（8）, chopper Five（9）, chopper six（10）, catalyst one（11）, catalyst two（12）, catalyst three（13）, catalyst four（14）, catalyst Five（15）, catalyst six（16）, catalyst seven（17）, catalyst eight（18）, capacitor one（19）, capacitor two（20）, electric capacity Device three（21）, capacitor four（22）, electric current relay（23）And auxiliary reclay（24）, the chopper three（7）, catalyst one （11）, catalyst five（15）, capacitor one（19）It is sequentially connected composition compensating electric capacity unit one, chopper four（8）, catalyst two （12）, catalyst six（16）, capacitor two（20）It is sequentially connected composition compensating electric capacity unit two, chopper five（9）, catalyst three （13）, catalyst seven（17）, capacitor three（21）It is sequentially connected composition compensating electric capacity unit three, chopper six（10）, catalyst Four（14）, catalyst eight（18）, capacitor four（22）It is sequentially connected composition compensating electric capacity unit four, chopper two（6）Respectively with Compensating electric capacity unit one, compensating electric capacity unit two, compensating electric capacity unit three, compensating electric capacity unit four interconnect composition compensation electricity Hold unit, current transformer two（4）With electric current relay（23）Interconnect, chopper one（1）, catalyst（2）, Current Mutual Inductance Device one（3）, compensating electric capacity unit, current transformer two（4）, auxiliary reclay（24）, motor（5）It is sequentially connected.