This is the best integrative solution to megawatt calss phtovoltaic power station.The system consists of 2 units of high efficient PV inverters,one unit of mid-voltage transformer(step up transformer).AC power,DC power, monitoring communications ,and other mobile devices integrated in a mobile house, thereby enhancing the systemn security as well as relaiblility ,convinent to transport and installation ,improving system efficiency and power output as well.
Taking advantage of the low-speed and high torque of permanent magnet motor, combined with the torque amplification function of planetary reducer and the control of frequency converter, the low-speed drive all-in-one machine has the smallest volume and the best performance. It is suitable for installation space limited and movable equipment.
The product is mainly applicable in the coal mine with explosive gas (methane mixture), to control, protect and measure in the three-phase AC neutral point not directly grounded power supply system of rated voltage 10KV, 6KV, rated frequency 50Hz.
It is a complete set of movable power supply and transformation equipment used in coal mine. It is not only suitable for the mine environment with methane mixture and coal dust and explosion risk, but also suitable for the gas and steam environment which is not enough to corrode metal and damage insulation.
Mining general low-voltage switchgear can be used as a complete set of low-voltage power distribution equipment in the 690V and 400V power supply system of substations in underground coal mines, underground yards without gas and coal dust explosion hazards, workshops with heavy dust corrosion, and wet places of metallurgy, subway and low buildings.
PLC (programmable logic. controller) programmable control cabinet is an electrical cabinet that can be programmed according to the needs of operating conditions, and can realize the automatic control of motors, switches and other equipment
It is a complete set of movable power supply and transformation equipment used in coal mine. It is not only suitable for the mine environment with methane mixture and coal dust and explosion risk, but also suitable for the gas and steam environment which is not enough to corrode metal and damage insulation.
It is a indoor high voltage switch equipment, applicable to 12 kv rated voltage, three-phase power system frequency 50 hz, used as protection and control electric equipment, as a result of the vacuum arc extinguishing performance is good, anti-fouling ability strong, almost maintenance-free special superiority, especially suitable for high current load frequent operation.
The product is mainly applicable in the coal mine with explosive gas (methane mixture), to control, protect and measure in the three-phase AC neutral point not directly grounded power supply system of rated voltage 10KV, 6KV, rated frequency 50Hz.
ZJZ2-10/1140(660)SM This device is suitable for underground coal mine containing coal dust and explosive gas (methane). It can control the power supply of 127V grade lighting signal equipment, and the power supply is introduced as 50 Hz 1140V or 660V. The device has the functions of microcomputer monitoring and intelligent protection. The intelligent integrated protector takes high-performance single chip microcomputer as the core, adopts military grade peripheral chips and high-performance precision converter. Through modular hardware design and unique software algorithm, it has strong anti-interference ability, reliable action and high sensitivity of protection. It has good man-machine interaction interface, Chinese LCD display, menu operation, password authorization, anti misoperation, query and modification, fault memory and other functions. It has standard Modbus communication protocol, which is convenient for docking and monitoring with other automation equipment.
The permanent magnet synchronous motor adopts centralized winding, optimal pole slot coordination, and rotor structure integrating isolation, stress, positioning and lightweight, with small rotational inertia, small leakage flux, large main flux, higher power factor and higher efficiency.
The permanent magnet synchronous motor adopts centralized winding, optimal pole slot coordination, and rotor structure integrating isolation, stress, positioning and lightweight, with small rotational inertia, small leakage flux, large main flux, higher power factor and higher efficiency.