High pressure intelligent synthesis starting cabinet

A starting cabinet and high-voltage technology, which is applied in the field of high-voltage switch cabinets and starting cabinets, can solve the problems of cumbersome operation, large space occupation, and unstable effect, and achieve the effects of saving cabinet materials, good starting performance, and good starting effect

CN101232153AInactive Publication Date: 2008-07-30XIANGYANG JINHENG ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2008-07-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a high-voltage intelligent integrated starting box, which belongs to the field of high-voltage switch box and starting box technology, mainly solves the prior problems due to the separation of high-voltage switch box and starting box such as non-ideal switching, starting and even operating of a motor, complex operation and unstable effect. The high-voltage intelligent integrated starting box is characterized in comprising a box body, a water resisting box, a polar plate box, an isolation switch, a high-voltage vacuum contactor, a current transformer and a lightning arrester, a transmission motor and a transmission mechanism therein provided, wherein the isolation switch, the high-voltage vacuum contactor, a current transformer, the lightning arrester, a light resistor and a short-circuit contactor are electrically connected with each other to form a main circuit; the starting box further includes a control circuit for controlling the high-voltage switch and a low-voltage liquid resistor; Two isolated chambers of high-voltage and low-voltage are arranged in the upper part of the box body; and the isolation switch is disposed in the high-voltage chamber. The invention has the advantages of good starting effect, stable and convenient operation and less space, and can be widely used in metallurgic industry, building materials, chemical engineering industry, electric industry, etc.
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Description

technical field

[0001] The invention belongs to the technical field of high-voltage switch cabinets and starting cabinets, and in particular relates to a high-voltage intelligent comprehensive starting cabinet for switching and starting control of high-voltage winding motors and cage motors. Background technique

[0002] At present, the devices used for switching and starting high-voltage wound motors or cage motors are separate high-voltage switch cabinets and starter cabinets. The high-voltage switchgear is composed of a cabinet body, an isolation switch, a high-voltage vacuum contactor, a current transformer, an arrester and a high-voltage switch control circuit. Among them, the high-voltage switch control circuit consists of a main circuit and a current detection circuit, a voltage protection circuit, and an overcurrent protection circuit. , power supply indication circuit, vacuum contactor control circuit, closing indication circuit, opening indication circuit, overcurr...

Examples

Embodiment Construction

[0019] The cabinet and its internally installed components such as Figure 1 to Figure 3 shown. The upper part of the cabinet body 6 is two isolated low-pressure chambers 8 and high-pressure chambers 9, and the isolation knife switch 17 is arranged in the high-pressure chambers 9. Overcurrent relay 19, intermediate relay 10, relay 13, time relay 12 and terminal 11 are housed in the low-voltage chamber 8 and on the panel. High-voltage vacuum contactor 7 and lightning arrester 15 are contained in the position near the front of cabinet body 6 middle part. The isolation switch manual 2 is installed on the front panel of the cabinet body 6 middle part. Transmission motor and transmission mechanism 16 are contained on the position behind cabinet body 6 middle parts. The current transformer 15 is installed in the position behind the middle part of the cabinet body 6 . The water resistance box 5 is contained in the lower part of the cabinet body 6, and three groups of dynamic and ...