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Intelligent Compact Air Insulated Switchgear / Vacuum High Voltage Switchgear
Product description
Intelligent Compact Air Insulated Switchgear / Vacuum High Voltage Switchgear
Description:
KJZ3-1500/3300 mine use FLP and I. S. Intelligent switchgear is suitable for underground mines containing methane mixture gas and having potential danger of coal dust explosion. It provides start/stop, two-speed switching, master and slave sequential control of drum shearer, AFC, stage loader and crusher in a fully mechanized coal face on the power supply lines of a. C. 50Hz, 3300V. It also provides protection of electric motors and power supply lines. The DSP system of switchgear can integrate with the built-in monitoring system of the shearer for achieving data transmission among face equipment, sequential operation, and automatic control of all the equipment in a fully mechanized face. The switchgear has auxiliary power supplies of 127V and 220V for external illumination and control.
Competitive Advantage:
Digital signal processing (DSP), CAN bus, self-adaptive detection, network interface, Chinese character LCD, self-diagnosis of fault, incoming and outgoing cables joined by cable connectors. The built-in shearer monitoring system.
Specifications:
|
Items |
Content |
|
Basic data |
Rated voltage: 3300V; Total current: 1500A ; Frequency: 50HZ |
|
Overall dimensions |
3950mm * 1210mm * 1065mm |
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Input circuit |
3* 500A |
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Output circuit |
Current of two circuits 450A , Current of seven circuits 400A |
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Drive unit |
Current of a.c vacuum contactors in two circuits 450A .; Current of a.c. vacuum contactors in seven circuits, 400A |
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Isolator |
600A on loaded |
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Control protection systems |
Multiple DSP systems, CAN field bus |
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Protection function |
Overload, short- circuit, leakage, leakage-lockout; phase failure, high voltage insulation-monitoring, undervoltage, overvoltage, back-up trip protection |
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Display |
320*240 Chinese (English)character LCD |
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Display |
Operating state of modules; pilot, communication mode; current, voltage, power, insulation resistance values; fault class, fault point; current time and date, electric network frequency, ambient temperature within compartment, etc. |
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Setting of parameter |
keypad operated |
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Fault alarm |
LCD and buzzer |
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Control mode |
Pilot control, programmable control, network control |
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Auxiliary power supply |
127V,220V 5kVA |
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network interface |
RS485 |
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Fault query |
More than 60 items of information can be inquired |
Certifications
manufacturing license / MA mine security certification / flame proof certification.
Production Facility:
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