660V 1140V mine flameproof and intrinsically safe frequency converter series
| Unit Price: | 40000 USD |
|---|---|
| Min. Order: | 1 Set/Sets |
| Transportation: | Ocean,Land |
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Basic Info
Model No.: BPJ1-630/1140(K)
Product Description
Product overview
The main circuit adopts two-level / three-level topology, and the main power devices are well-known brands with high reliability. It is mainly used to control and adjust the speed and torque of three-phase AC asynchronous motor. High performance vector control technology, low speed and high torque output, friendly human-computer interaction, stable performance. It can be used in coal mine, coal dust, gas and other explosion dangerous environment. It can realize the soft start, soft stop and speed control of the motor.
BPJ1-630/1140
BPJ1-400/1140
Product features
High operation reliability
The key processes are produced in dust-free workshop, and the production process is strictly guaranteed;
Strict factory inspection and process control.
Convenient installation and maintenance
The internal main components are modularized and split design, which makes it easy to disassemble between modules, convenient for daily inspection, maintenance and repair, saving time and effort.
It has the function of reactive power compensation
660V, 1140V inverter standard input, output filter reactor, effectively suppress high frequency interference;
The four quadrant inverter is equipped with a special LCL filter to ensure that the interference of the inverter to the front-end power supply and distribution equipment is minimized and meet the requirements of the national standard;
Through the feedback explosion-proof inverter to detect the power quality of the power grid and compensate the reactive power in the line, the problems of low power factor and large line loss in local coal mines are solved. By compensating the loss of power supply line, the energy consumption is reduced.
There are mature treatment schemes for motor insulation damage
The 1140V explosion-proof inverter adopts three-level structure, the voltage rise rate DV / DT is reduced to half of the two-level inverter, the output voltage level increases, the relative amplitude of each level decreases, the voltage change decreases, the current pulsation decreases, which indirectly reduces the electromagnetic interference, greatly reduces the insulation damage of the inverter output to the motor, and effectively solves the problem of motor insulation damage, extend the service life of the motor.
IGBT neutral clamping technology
By clamping the turn-on and turn off of IGBT, the current flowing into or out of the neutral point of DC side capacitor when the output voltage of a certain phase is zero is eliminated. The problems of neutral point potential drift and poor output voltage waveform are solved.
It has excellent power balance function to ensure the balanced output of each motor in the multi machine drive system, and the unbalance degree is less than 3%
It has excellent closed-loop (PID) control function to meet the requirements of pumps
Technical parameter
| Input | Phase, Frequency, Voltage | Three phase, 50/60Hz, 660V/1140V |
| Tolerance | Supply voltage ± 20%，50-60Hz ± 5%, voltage unbalance rate < 3% | |
| Output | Rated voltage | 0-Input voltage |
| Rated current | 100% rated current continuous | |
| Output frequency | 0~120Hz | |
| Basic control performance | Control mode | V/F, SVC |
| Carrier frequency | 0.5kHz~16kHz(can be adjusted automatically according to the load) | |
| Frequency resolution | Digital setting: 0.01Hz Analog setting: maximum frequency × 0.025% | |
| Speed range | 1:100 (SVC) | |
| Steady speed accuracy | ± 0.5% (SVC) | |
| Torque control accuracy | ± 5% | |
| Overload capacity | 150% / 1min (120% - 250% optional) | |
| Torque boost | Automatic torque boost; Manual torque boost by 0.1%~30.0% | |
| Simple PLC, multi speed operation | built-in PLC or control terminal to achieve up to 16 speed operation | |
| Built-in PID | Can easily realize the closed-loop control | |
| Automatic voltage regulation (AVR) | Keeps the output voltage constant when the grid voltage changes | |
| Over voltage and over current stall control | Automatically limited during operation to prevent frequent over-voltage and over-current fault tripping | |
| Fast current limiting function | Minimize the over-current fault and protect the normal operation of frequency converter | |
| Torque limitation and control | Automatically limited torque during operation to prevent frequent over-current trip. | |
| Special functions | Point to point communication | Can realize master-slave control |
| Multi communication protocol | Modbus, Canlink and Ethernet | |
| Fast current limiting | Avoid frequent over-current fault of frequency converter | |
| Motor type | AM,PM motor | |
| Input | Digital input | 8 channels |
| Analog input | 4 channels:0-10V/2-20mA selectable | |
| Output | Digital output | 6 channels |
| Analog output | 4 channels: 0-10V/2-20mA selectable | |
| Protection | Over voltage, under voltage, over-current, overload, short circuit, over temperature, leakage blocking, lack of phase protection and other functions | |
| Running | Control command | Keypad, Terminal, Communication(switching) |
| Speed command | 10 kinds of frequency sources: digital, analog voltage, analog current, communication. It can be switched in many ways | |
| Display | LED display | Display setting parameters |
| HMI | Display operation status: output frequency, output current, temperature, operation curve, alarm information, fault analysis, etc. | |
| Environment | Location | Underground coal mine, no corrosive gas, in the environment with explosive mixture of coal dust and gas, in the environment without damaging the insulation of gas or steam. |
| Altitude | Less than 2000 meters; atmospheric pressure is (0.08 ~ 0.11) MPa. | |
| Temperature | 0 ℃ ~ + 40 ℃ (above 40 ℃, derating) | |
| Humidity | Less than 95% RH (+ 25 ℃), no condensation | |
| Vibration | In the place without significant vibration and impact | |
| Storage temperature | - 20 ℃～ + 60 ℃ | |
| Structure | IP degree | IP54 |
| Explosion proof grade | Exd [ib] I Mb | |
| Cooling method | Water cooling | |
Model No.
Dimension
660V/1140V series mine flameproof and intrinsically safe inverter
| Model No. | Rated power (kW) | Rated input voltage(V) | Rated output voltage(V) | Running quadrant | Cooling mode | Dimension | ||
| W | H | D | ||||||
| BPJ1-132/660(K)~ BPJ1-250/660(K) | 132~250 | 660 | 0~660 | Two quadrant Four quadrant | Heat pipe cooling + forced air cooling | 2316 | 1218 | 1206 |
| BPJ1-75/1140(K)~ BPJ1-400/1140(K) | 75~400 | 1140 | 0~1140 | Two quadrant Four quadrant | Water cooling | 1500 | 1292 | 878 |
| BPJ1-315/1140(K)~ BPJ1-630/1140(K) | 315~630 | 1140 | 0~1140 | Two quadrant Four quadrant | Water cooling | 2236 | 1218 | 979 |
| BPJ1-630/1140 | 630 | 1140 | 0~1140 | Two quadrant | Heat pipe cooling + forced air cooling | 2562 | 1320 | 1291 |
| BPJ1-710/1140~ BPJ1-1250/1140 | 710~1250 | 1140 | 0~1140 | Two quadrant | Water cooling | 1600 | 1300 | 1000 |
| BPJ1-800/1140K~ BPJ1-1000/1140K | 800~1000 | 1140 | 0~1140 | Two quadrant | Water cooling | 3300 | 1300 | 1000 |
Note:
1. The above dimensions are for reference only, please refers to the real object for details;
2. Due to product upgrading, the contents of this manual will be updated regularly. If you need to buy our products, please refer to the latest product manual;
Applications:
Explosion proof variable frequency speed regulation is a high efficiency and high performance speed regulation mode. By controlling the asynchronous motor (or synchronous machine), it can realize step-less smooth speed regulation and meet the requirements of various production machinery. The use of variable frequency speed regulation in coal mine has become the current trend of mine equipment speed regulation. The main equipment loads of explosion-proof inverter used in underground are: belt conveyor, scraper, winch (monkey car), shearer, all kinds of fans, water supply and drainage pump, emulsion pump, etc.;
The explosion-proof frequency converter is suitable for the speed regulating operation of the motor driven by various mining, transportation, ventilation, drainage and other equipment under the condition of coal dust and gas explosion gas content not exceeding the specified safety content in the coal mine, realizing the functions of motor heavy load soft start and soft stop, step-less speed regulating, energy feedback and energy saving.
Customer Visit
Our Service
OEM Service is available
After-sales responding within 24 hours
One to one pre-sales consulting services
We are factory with high-tech professional engineer teams
Technician could be assigned to go abroad to carry out site commissioning and technical training
Product Categories : Mining Equipments > Explosion-proof MVD