High Voltage Frequency Converter Series
This frequency converter, petroleum and chemical and other harsh environments to soft start, soft stop and operation process control of the motor and energy-saving applications, especially suitable for coal mine or ground mine to enhance the winch, belt conveyor, scraper conveyor, coal feeder, fan, pump, pressure fan and emulsion pumps and variable frequency speed control of other equipment. Explosion-proof frequency converter designed specifically for hazardous area locations. These drives can be mounted next to the motor in the classified area, providing significant installation cost savings - along with the traditional VFD benefits of energy savings, speed and torque control, and system diagnostics. our low voltage frequency converter and emulsion pump frequency converter is also hot selling.
Mining Explosion-Proof Intrinsically Safe Permanent Magnetic Mechanism High Voltage Vacuum Distribution Device
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, rated frequency 50Hz, rated current 630A. And can be used as a direct start high-voltage motor.
Product Details
The device adopts control and protection system composed of the programmable controller(PLC) and text display screen. There is a liquid crystal display window to show the operation status and various fault conditions of the protection box. The device with flexible parameter setting, stable quality, sensitive and reliable action performance, intuitive and concise operation and fault picture, has an intrinsically safe control interface, which is convenient for external control of equipment, and compose joint control.
The device has protection functions of insulation monitoring, high voltage leakage, overload, fault phase, undervoltage, short circuit, loss of voltage and overvoltage.
Mining explosion-proof lighting integrated protection device
The device is applicable to coal mines containing explosive gas, supplying the control and protection of power for the 127V explosion-proof electric devices.
With fast-open door structure
The voltage can be converted, there is no need to pull out dry type transformer to change
It has protection functions of short circuit, leakage, leakage lockout and and insulation monitoring function
Rated capacity4.0KVA
Rated voltage1140, 660/127VNo-load 133V
Rated current2.02, 3.49/17.36
Allowable temperature rise75
High Voltage Dynamic Reactive Power Compensation Device
SVG reactive compensation device
SVG also known as high voltage dynamic reactive power compensation generating device or static synchronous compensator, which is an equipment providing dynamic reactive power compensation through the self-commutated of the power semiconductor bridge converter. High Voltage Automatic Compensator is widely used in petroleum chemical industry, metallurgy, electric power, coal, electric railway, wind power station, as well as some other industrial fields with or near the impact load and large capacity motor. And plays an important role in saving energy and reducing consumption, improving power grid security and stability, increasing power grid power factor, improving power quality, etc.
Providing concentrated compensation to improve the power factor for 3~10KV power supply network
Based on DSP full digital control system, fast dynamic response time and high control precision
Adopt photo electric trigger mode, high potential plate and high voltage-energy, thyristor switched capacitor protection, and strong anti-interference ability
Mining belt conveyor integrated protection device
Our Mining Integrated Protection Device is applicable to hazardous place with gas and dust explosion, power supply system of 50Hz voltage AC 1140/660v, to achieve drive and protection to the belt conveyor. and our Mining Intrinsically Safe PA Phone, Frequency Converter For Coal Mines is also hot selling now.
The device adopts single-chip as the control core, 4.3-inch color LCD module as a human-computer interaction interface, it is specially designed for tape conveyor, with functions of the main drive, deviation, emergency stop, vertical tear and other protections as a whole, it also has functions of start warning, malfunction alarm. The device adopts high-performance microcomputer as the control core, to control and protect the motor through the acquisition, analysis, and calculation of the operation state signal. It has functions of overload, phase loss, leakage lock, short circuit and other protections, at the same time with the functions of control the start and stop of the motor and alignment display of the deviation and emergency stop malfunction. It can real-time display the belt running speed, tape tension, drum temperature, motor voltage, current and other parameters when normal operation.
Technical characteristics
Sets the main drive and protection of the belt conveyor to realize one device to control a belt conveyor
Two 120A (80A) drive units with complete and reliable motor protection
Matching eight kinds of protection sensors can realize the eight protections of the transport aircraft, with deviation, emergency stop, vertical tear intelligent alignment and other functions
Color display real-time display equipment operating conditions, motor voltage, current, temperature, belt speed, etc., with fault status display and fault record query function
With early warning, fault alarm function
8-channel PT100 temperature acquisition and infrared temperature acquisition
Small size, cost-effective
Tunnel Light
It is widely suitable for he inflammable and explosive places in the coal mine and the long distance lighting of various tunnels
High quality switching power supply is built-in, with wide working voltage, LED cold light source. The average service life is up to 100000 hours, with continuous use and no replacement
Adopting integrated design, the shell is made of high pressure die casting aluminum, with electrostatic powder spraying on the surface, high temperature resistant silicone rubber seal and toughened transparent glass
Hot Sale Various High Quality Tunnel Light from China leading manufacturer. Our Miner's Lamp and Mining Lighting Lamp are efficient , cost effective and deliver more benefits. If you are interested in our lamp, please call us . we also supply other Mining Explosion-proof Equipment.
EU ATEX certified products.
Adopting advanced light source: The fourth generation of solid light source makes its brightness, energy consumption, service life up to 100 thousand hours, maintenance free, and no frequent replacement of the bulb troubles
Suitable for all kinds of charging rack: With high precision constant current and constant voltage management circuit, it can be charged on any 5-10V charging rack
Detection of charging stat and indication function: When charging is not full, the red indicator light is on, otherwise, the green indicator light is on.
Automatic switching function of main and auxiliary light source: The main lamp can automatically switch to auxiliary lamp after the battery voltage drops to a certain value, so as to protect the battery from excessive discharge, prolong the battery life and the lighting time
Better heat dissipation: High quality aluminum cup is adopted to improve the heat dissipation efficiency and prolong the service life of LED
Mining General High Voltage Switch Cabinet
Mainly used in the power supply system of central control room, the yard, the general ventilation and the main ventilation distribution chamber underground without gas and coal dust explosion, as distribution protection and control for mining electrical equipment of voltage 3.6 KV, 7.2 KV, or 12 KV AC 50 Hz, and also can be used to directly start or start the fan or water pump high voltage motors underground by the dry reactor. The movable switch cabinet is also applicable in ground substation, metallurgy, chemical industry and power supply system of higher protection grade. We design and build drawer type switch cabinet and intelligent low voltage switch cabinet are also an indispensable device in the mining process.
KY-WTGC-10 (6) mining general type high voltage switch cabinet(hereinafter referred to as the switch cabinet) is based on absorbing existing advanced technology, independently developed. It has characters of new structure, convenient operation and maintenance, small volume, light weight, safe and reliable
AC Low Voltage Switch Cabinet
Intelligent Low Voltage Switch Cabinet
It is suitable for power consumers like communities, shopping malls, schools, supermarkets, substations, industrial enterprises in the power distribution system with Ac 50Hz, rated voltage 400V, 690V, rated current 1000 ~ 3150A, used for power conversion, distribution and control for power, lighting and power distribution cabinet. GGD type AC voltage distribution cabinet is based on the requirements of the Department of Energy, the majority of users and the design department, according to the safe, economical, reasonable and reliable principle design. The products has features of high breaking capacity, good thermal stability, flexible electric scheme, convenient combination, systematic, practical, novel structure, high level of protection, can be used as a replacement of low voltage switchgear products.
The low voltage distribution cabinet adopts common cabinet form, with frame of 8 MF local welding assembled cold bending section steel, with 20 mounting holes, and the general coefficient is high
Mining explosion-proof intrinsically safe intelligent vacuum electromagnetic starter
The explosion-proof electromagnetic starter is used in coal mines containing explosive gas (methane) and coal dust. It is suitable for the circuit of AC 50Hz, voltage 660V or 1140V, ungrounded three- phase center. Our Mining Reversible Electromagnetic Starter can carry out real-time monitoring and fault handling of the operating status through high-performance microcomputer, achieving mutual switch operation. It is 3-Loop vacuum electromagnetic starter .To local control or remote control the start and stop of three-phase asynchronous motor, and can be reversed at the stop.
Quick opening structure for this vacuum electromagnetic starter
With local control and intrinsically safe remote control function
With automatic water level control function, automatically control the start and stop of water pump according to the water level
With menu operation structure, large LCD screen display, fault inquiry, fault recording and corresponding fault alarm information, and can record the specific time when the fault occurs
With RS485 communication function, remote monitoring and control can be conveniently realized
With the multiple protection functions as short circuit, overload, leakage and open-phase
Mining explosion-proof AC vacuum soft starter
The device adopts MX2 intelligent drive box, the latest technology developed by the United States BENSHAW, as the core. It can make the motor start in a controlled and smooth way, which is a good solution to the impact to the the grid and mechanical equipment when the motor starts, and extends the service life of the device. The device with the functions of perfect protection and intelligent communication, can be widely used in the coal mine industry to control the tape conveyor, fans, pumps and other motors.
With simple operation, intuitive parameter settings, Our Mining AC Vacuum Soft Starter is mainly used in underground coal mines, where there are mixed explosive gases, such as methane. This Reversible Soft Starter is used to control and protect the motors frequently started in the power system, which is 3-phase neutral point ungrounded, with rated voltage 6kV, rated frequency 50hz and rated current up to 300A. If you are interested in our High Voltage Vacuum Soft Starter, please call us at any time.
Low voltage combination switch
Mining explosion-proof and Intrinsically Safe Low-voltage Vacuum Combination Switch (hereinafter referred to as combination switch) is used in coal mines containing explosive gas and coal dust. It can logically control and protect the start-up or stop of 4 sets of three- phase squirrel-cage asynchronous motors under rated voltage 1140V (660V), AC 50Hz, and can change the phase sequence when the motor stops. The switch is especially applied to centralize monitoring of mining, transportation and other kinds of working faces with centralized dynamic loads. The switch has advantages like high automation level, convenient and intuitive man-machine dialogue, easy to networking, stable performance, sensitive protect, reliable operations, etc. It is a perfect upgrade product for mine digitization.
Wantai founded in 1998, now the net worth is 430 million yuan, focused on the research and development, production and sales of the Mining Explosion-Proof Equipment , High Voltage Combination Switchgear, and Miner' s Lamp is also our main underground products.
Mining Explosion-proof Vacuum Feeder Switch
Mining Vacuum Feeder Switch equipped with high-performance PLC Vacuum Feeder Switch that dedicate to serve the feeder switch to protect and monitor. The product has various protection functions such as overload, short-circuit, leakage interlock, leakage protection, under voltage, over voltage, three-phase imbalance, gas interlock, interlocked circuit breaker, selective leakage protection, three-phase balanced protection, long distance short-circuit protection, communication networking. Our Intrinsically Safe Vacuum Feeder Switch is also available.
Square switch with quick-actuating closures structure.
The whole structure is small and nice. The switch is equipped with quick plug-in connection and the technology is simple and direct
Powerful function of communication network
Standard RS485 interfaces are equipped with the device. Seamless joint field device can be realized. That makes it convenient to establish site monitoring system. The product has 4T (telemeter, telecommunication, telecontrol and teleregulation) functions and it is easy to access substations underground and merge into industrial Ethernet. Concentrated monitoring in ground control center now is available.
Underground Personnel Tracking System
Because of the large liquidity of coal mine underground work personnel, vehicles and other mobile target. Once flooding accident, fire disaster and other accidents occur, this will bring great difficulties to the relief work. Therefore, mine personnel management system can be used for well personnel tracking and locating, enhancing mine disaster relief work, improving production dispatching. It can also perform security monitoring and inspection, check staff attendance, handle urgent incidents and keep track of the position and traces of various underground all kinds of personnel and other moving targets.Â
Also we can get accurate statistics of each shift of people in the well, various types of operation. All of these will provide accurate data for safe production, reasonable employment, well attendance. Coal mine personnel management system for underground personnel wireless positioning, tracking and attendance. In line with the resource sharing, the system makes full use of resources on the basis of the existing system. On the basis of modern wired and wireless communication technology, control computer system, Central control computer system is set on ground operation department, while transmission substation and wireless transceiver are arranged at related position.
Mining explosion-proof and intrinsically safe voice Acousto-Optic signal device
The device is applicable to the signal contact of belt transport and winches transport in coal mines containing explosive gases. It facilitates production and improves economic efficiency, having great popularization prospects and values. And it contains several functions of the old type, like dotting button, explosion-proof lights, explosion-proof bell, and three- way connection.
Our Mining Integrated Protection Device are used worldwide in mining operations to keep people safe and mines open. Wantai's Vacuum Soft Starter, Vacuum Electromagnetic Starter are versatile, rugged, and reliable; have low power consumption; and are designed for harsh, remote locations or unsafe conditions not suitable for personnel.
The internal wiring of this product adopts plug-in terminal type, which is easy to replace and easy to maintain carrier
This product adopts frequency modulation dynamic which has strong anti-interference ability, and the transmission distance is far and clear
The product adopts the modular structure and is sealed with epoxy resin. It is damp proof, shockproof and easy to maintain
The speakers use high frequency and waterproof horn, with high audio frequency and long transmission distance
Supply voltage: 127V
Mining intrinsically safe PA phone
The device is a kind of mining intrinsically safe broadcast communication, signal communication and alarm device. It is suitable for the environment where the coal gas and coal dust are explosive and dangerous in the coal mine. The telephone can be self-expanded as communication and dotting signal liaison system, and can also be matched with other electric control devices, locking the equipment and ensuring the safety of the personnel and the equipment.
Wantai is specialized in producing combined monitoring system and Explosion Proof Control Box, Vacuum Electromagnetic Starter, etc. Our products are very popular, if you are interested in our products, please contact us as soon as possible.
The product adopts fast-plug connector, simple and convenient wiring to reduce the loss bursting point, easy to maintain
The floating battery pack is built-in, thus the communication is ffected when external power supply is interrupted temporarily
The digital voice communication technology is adopted to realize automatic gain control, so as to ensure that the calls are clear and undistorted
The product adopts the modular structure and is sealed with epoxy resin. It is damp proof, shockproof and easy to maintain stop lock output control signal With emergency
It can be used in conjunction with our companys KHP144-K mine belt conveyor protection electronic control device to realize fault alarm along the line
Main technical parameters
Intrinsically safe parameters
Power supply: Ui: 18.5V, Li: 700mA
Battery powered: Uo: 9.8V, Lo: 500mA
Working voltage: 9.6V