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Mine flameproof and Intrinsic safety type permanent magnet high-voltage vacuum distribution device (electric isolation series) PJG-50~1250/10YD PJG-50~1250/6YD

Suitable for underground coal mines in explosive environments, in power supply systems with a rated frequency of 50Hz, rated voltage of 10KV, 6KV, and rated current not exceeding 1250A, where the three-phase AC neutral point is not grounded or grounded through arc suppression coils, control, protect, and measure the power supply lines and equipment; It can meet the usage needs of different methods such as receiving power, feeding power, contacting, and connecting stations. 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 type permanent magnet high-voltage vacuum distribution device (electric isolation series) PJG-50~1250/10YD PJG-50~1250/6YD


DESCRIPTION

Product Usage

Suitable for underground coal mines in explosive environments, in power supply systems with a rated frequency of 50Hz, rated voltage of 10KV, 6KV, and rated current not exceeding 1250A, where the three-phase AC neutral point is not grounded or grounded through arc suppression coils, control, protect, and measure the power supply lines and equipment; It can meet the usage needs of different methods such as receiving power, feeding power, contacting, and connecting stations. 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 to repair and maintain. 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;

The permanent magnet circuit breaker handcart has two operation modes of electric and manual entry and exit, which can remotely open and close the handcart in the dispatch room, and remotely monitor the position of the trolley's entry and exit through video surveillance;

The circuit breaker adopts a fixed sealed pole type high-voltage vacuum circuit breaker, which is mechanically simple and reliable, and has stable performance; And adopt Siemens technology's plum blossom dynamic and static contacts, with all the main circuits treated with silver plating and low circuit resistance. The mechanism adopts a bistable dual coil, with completely independent closing and opening (dual capacitor). The intelligent controller adopts an IGBT module, which is reliable and fast in action. The single axis direct action design has good three-phase synchronization and can be operated frequently within the rated current range;

Equipped with electric and manual grounding switch functions, it can remotely open and close the grounding switch in the dispatch room, and remotely monitor the position of the grounding switch through video surveillance;

Multi point wireless temperature measurement control, multi point layout of important temperature measurement points, real-time display and alarm, upload;

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;

It has protection functions such as quick break protection, overcurrent, overload, selective leakage, overvoltage and undervoltage. The device is equipped with fiber optic interfaces and has fiber optic differential protection function, effectively solving the problem of underground short circuit skip tripping and avoiding large-scale power outage accidents;

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;

Equipped with fifth harmonic leakage protection, wind and gas blocking, and electricity metering functions;

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 PJG- □/10YD PJG- □/6YD
Rated voltage(KV) 10 6
Rated current(A) 50、100、150、200、300、400、500、630、800、1000、1250
Rated short circuit breaking current(KA) 25
Rated short-circuit making current(KA) 63
Mechanical life(once) 20000
Handcart operation mode Electric/manual
Display 7-inch color LCD screen
Contact temperature measurement 9-point wireless temperature measurement
Overall dimensions (width × high × Deep)(mm) 630A:1350×1400×1650      1250A:1570×1400×1650
Weight(kg) 630A:900      1250A:1200

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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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