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Mine flameproof and Intrinsic safety high-voltage vacuum electromagnetic starter QJGZ-50~630/10 QJGZ-50~630/6

Suitable for underground coal mines with explosive hazardous environments, in power supply systems with a rated frequency of 50Hz, rated voltage of 10KV, 6KV, and rated current not exceeding 630A, where the three-phase AC neutral point is not grounded or grounded through arc suppression coils, the high-voltage motor can be directly started or stopped remotely or to the ground, while protecting the motor and related power supply circuits; Starters are particularly suitable for frequent operation and heavy load coal mining machinery equipment, and are more effective when used in conjunction with high-voltage starting reactors or high-voltage soft start controllers. Connected with KJ series underground power grid monitoring system, it can realize remote automatic control, monitoring and monitoring of power equipment, and realize modern management such as unattended Electrical substation.

Keywords:

Mine flameproof and Intrinsic safety high-voltage vacuum electromagnetic starter QJGZ-50~630/10 QJGZ-50~630/6


DESCRIPTION

Product Usage

Suitable for underground coal mines with explosive hazardous environments, in power supply systems with a rated frequency of 50Hz, rated voltage of 10KV, 6KV, and rated current not exceeding 630A, where the three-phase AC neutral point is not grounded or grounded through arc suppression coils, the high-voltage motor can be directly started or stopped remotely or to the ground, while protecting the motor and related power supply circuits; Starters are particularly suitable for frequent operation and heavy load coal mining machinery equipment, and are more effective when used in conjunction with high-voltage starting reactors or high-voltage soft start controllers. Connected with KJ series underground power grid monitoring system, it can realize remote automatic control, monitoring and monitoring of power equipment, and realize modern management such as unattended Electrical substation.

Main Features 

Adopting advanced and reliable quick opening structure, drawer type core frame, compact structure, easy for maintenance and repair; Set up an independent secondary wiring chamber, which is convenient for wiring and has multiple external terminals to meet the various wiring needs of users (and can be used in conjunction with power distribution devices);

The main breaking component adopts JCZ5 series high-voltage vacuum contactor; Optional FC circuit;

The Varistor and resistance capacitance absorption device can effectively restrain the switching overvoltage of high-power inductive load;

Adopting the XK-810CP high-performance digital comprehensive protection device, with a full Chinese large screen LCD display and menu style operation, the display information is rich and the interface is friendly. Combined with the human-machine interface keyboard, it can achieve protection setting modification and various operations without power outage;

It can measure and display three-phase voltage, current, zero sequence voltage, zero sequence current, active power, reactive power, power factor and other parameters of the power grid in real time, as well as display equipment fault type, fault parameter, fault time, and has fault memory and query functions;

Equipped with quick break protection, overcurrent, overload, selective leakage, overvoltage and undervoltage protection functions;

Equipped with fault recording function, recording voltage and current waveforms before and after faults for easy analysis of fault causes. In case of faults, enter the protection menu for information query;

Adopting dual circuit outgoing lines for dual circuit leakage and insulation monitoring protection to meet multi load requirements;

Equipped with reliable mechanical locking, electrical locking, emergency opening and other devices to ensure safety and reliability;

RS485, CAN, Ethernet interface, 4G/5G/WIFI can be optionally configured to communicate with the coal mine power grid monitoring system, with remote sensing, remote control, remote regulation, remote signaling, remote viewing and other functions to realize unattended Electrical substation.

Main technical parameters

 

Product Model QJGZ- □/10 QJGZ- □/6
Rated voltage (KV) 10 6
Rated current (A) 50、100、 150、200、300、400、500、630
Ultimate making capacity (A) 6300
Rated short-circuit breaking current (A) 5000
Electrical life (times) 200000
Mechanical life (times) 1000000
Overall dimensions (width × high × Depth) (mm) 1350×1320×1400
Weight (kg) 800

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Longyuan Xinke Electric Co., Ltd


+86-391-6836868

+86-391-2193665

Add:Zone B, Tiantan Venture Park, High tech Zone, Jiyuan City, Henan Province

Tel:+86-391-6835588

Email:lyxkdq@163.com

 

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Who are we?

The company is committed to providing advanced technology, stable quality, safe and reliable mining explosion-proof electrical equipment and automation systems for the mining industry. The company's products cover nearly 100 specifications and models of various high and low voltage switches in coal mines, and are suitable for various application scenarios in Electrical substation, roadways, and mining faces.

Longyuan Xinke Electric Co., Ltd

+86-391-6836868

+86-391-2193665

Add:Zone B, Tiantan Venture Park, High tech Zone, Jiyuan City, Henan Province

Tel:+86-391-6835588

Email:lyxkdq@163.com

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