AC Motor Drive MV Variable Frequency Drive 4.16KV
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Specifications of AC Motor Drive Variable Frequency Drive
Direct medium voltage input and output
IGBT power units in series to obtain MV by means of overlap wave
Up to 40% saving rate
Application Fields of AC Motor Drive Variable Frequency Drive
Power Generation: Induced draft fan, forced draft fan, condensate pump, feed pump, primary air fan, secondary air fan, booster fan, circulating pump, mill fan, slurry pump etc
Cement: draft fan, high-temperature fan, air blower, dust collection fan etc.
Metallurgy: blast furnace blower, slurry pump, feed water pump, dust fan, compressor etc.
Petroleum&Chemical: Water injection pump, crude oil pump, Compressor, fan, circulation pump, etc
Urban water supply: Water delivery pump, water intake pump, water supply pump, sewage treatment industry, self-fractionating pump etc
Minerals & Mining: Mud pump, ventilation fan, slurry pump etc
Others: Loads such as fan, pump and compressor in pharmaceutical, paper making and wind tunnel test.
Especially for: Fan and Pump
Power Plant | Pump, Fans |
Steel Plant | Fans |
Cement Plant | Fans |
Product Structure
AC Motor Drive Variable Frequency Drive Consists Of By-pass Cabinet, Transformer Cabinet, Power Unit Cabinet And Controller Cabinet From Left To Right.
Technical advantages of AC Motor Drive MV Variable Frequency Drive
No need of extra output filtering device
Directly driving the general medium voltage synchronous or asynchronous motor and the temperature of the motor will not be increased.
No need of motor derating operation
No dv/dt damage to insulation of motor and cable
No torque ripple induced by harmonics, and the service life of motors and mechanism devices can be extended
No cable length limited when voltage drop is in the allowable range.
Besides the above advantages, AC Motor Drive MV Variable Frequency Drive has the following functions and features:
Protection of overload, overheat, over-current, open-phase, grounding, over-voltage, negative sequence.
Current limited function
Interlock protection of control power supply
Two sets of control power hot standby for redundancy
Power cell by-pass function
Control cabinet automatic bypass function
Cabinet door opening alarm function
Lock-phase function
Synchronizing switch function between variable frequency and power frequency (optional)
Soft start of motors, no impact to mechanical equipment and network
Voltage source High-high variable frequency drive, it can realize No-step speed regulation, which makes the typical motors into intelligent motors.
High quality power input: By phase shifting of the secondary winding and multi-pulse diode rectifier, isolated powers can be acquired and supplied for power cells. (18 pulses for 3/3.3kV, 30/36 pulses for 6/6.6kV, 48/54 pulses for 10/11kV) By using the technique of multi-pulse rectifier, the harmonic current could be eliminated greatly.
Power cell communicate with controller through optic-fiber, completely electric isolated
Inner set PID regulator, can realize running in closed-loop
Multiple communication methods with host computer, isolated RS485 interface, standard MODBUS RTU, communication protocol, PROFIBUS DP (optional), industrial Ethernet communication protocol (optional)
Accurately fault records, can inquiry information and locate fault
Compact construction, reasonable layout (can do customer-design)
Very good protective design to dust, ferrum pulveratum, acid mist, moisture etc.
Bypass cabinethas a function of "five-protection", meanwhile, it has a pressure relief channel to ensure the safety of operators.
Modularized design of power units, interchangeable and easy to produce and repair.
Technical parameters of AC Motor Drive Variable Frequency Drive
Series No | Parameters | Value |
1 | HVF Capacity(KVA) | 250~8750kVA |
2 | Power of adaptive motor(KW) | 200~7000KW |
3 | Input Frequency(Hz) | 45~65Hz |
4 | Rated input voltage(kV) | 3/3.3kV/4.16kV/6/6.6kV/10/11kV (+15%~ -35%) |
5 | THDi at power grid | <3% (Permissible value≤4%) |
6 | THDu at output side | <3% (Permissible value≤5%) |
7 | Input power factor | >0.95%(>20% of rated load) |
8 | Efficiency | >97%(under a rated load) |
9 | Output frequency(Hz) | 0.5~120Hz |
10 | Output frequency resolution | 0.01Hz |
11 | Rated output current(A) | 36~600A |
12 | Overload capability | 120%(1min), 150%(3s), 200%(Immediate protection) |
13 | Control mode | V/F control or Vector control |
14 | Logical control I/O signal | 16 channels respectively |
15 | Analog input | 0~10V/4~20mA |
16 | Analog output | 0~10V/4~20mA Optional (2 channels) |
17 | Boolean input/output | Communications/Default point (expandable) |
18 | Acc & Dec time (S) | 0.1~3000s |
19 | Communication with host | CAN, Profibus, Modbus, RS232, RS485 etc |
20 | Cooling mode | Forced air cooling |
21 | Storage temperature | 00C~450C |
22 | Ambient temperature | -350C~+450C |
23 | Ambient humidity | 95%, no condensation |
24 | Protection grade | IP40 |
25 | Noise | <70DB |
- Q: The parameters of the inverter is 4, 6 motor can be used
- Inverter parameters are 4, 6 motor can be used. Parameters can be changed, the general inverter has a special number of motor parameters set, as well as the motor speed settings, if the series can not be changed, put the speed out of the necessary amplification of the inverter to enlarge some.
- Q: Laptop warranty period is not over, the power adapter is broken, repair money?
- Look at your reinsurance period if not in the warranty period is not man-made damage can be changed or for the change
- Q: Laptop power adapter repair how much money
- Different notebook power adapter models are different, the price gap is large. ? Maintenance costs to see the specific model and damage level position. Generally do not recommend maintenance, it is recommended to replace the more appropriate. If you are not covered by the warranty period, you can repair free of charge. Hands-on ability to recommend self-repair, pay maintenance department recommended. After all, once again a greater chance of damage.
- Q: What is the motor series parameter setting of the inverter? If it is with the spindle,
- The motor series setting of the inverter should be set according to the series of motor
- Q: Master Hello a machine requires 500 speed matching 6-pole motor frequency converter transferred to about 28HZ
- The belt rotation is calculated by the speed ratio. The current transferred to the motor by the inverter is approximately equal to the rated current of the motor, ie the motor's power is maximized.
- Q: Who knows how the frequency converter works
- 4 inverter circuit Inverter circuit In contrast to the rectifier circuit, the inverter circuit converts the DC voltage into the AC voltage of the desired frequency, and turns on and off the power switch device of the upper bridge and the lower bridge at the determined time. Which can be in the output U, V, W three phase phase difference between the 120 ° electrical angle of the three-phase AC voltage.
- Q: 11kw 6-pole motor can be used to adjust the inverter to 1800RPM?
- First, the inverter is no problem, I used so much to meet your needs ????? But to see if your motor can run at high speed, or whether the load is small, the power to have a general amount of redundancy. 6-pole motor synchronous speed of 1000, to meet your use to be transferred between 2000 or 1900, that is to say the frequency converter output frequency to be transferred to 90 to 100HZ. ????? Constant torque load is no problem, but the fan torque load to be a small job.
- Q: Why the notebook power adapter can not be universal
- Third, the current is different Different brands of laptop power adapter current is not the same, for example: under normal circumstances IBM is 4.5A, Dell is 3.34A, Hp is 2.7A, Sony is 4.1A and so on. In fact, the same brand of laptop power adapter voltage and current are not the same. So, even if the same brand of notebook computers channeling with power adapter to confirm the voltage and current specifications.
- Q: Laptop power adapter is used to do what
- Simply put the transfer into DC China's electricity is 220V AC, and the notebook is a direct current, the need for adapter to rectify, filter, regulator, and finally we need to form a direct current
- Q: 55 瓩 4 pole motor with a frequency of one hour can save much electricity
- Such as: 55KW motor full load operation, 1 hour with 55 degrees of power (according to the motor power slightly different changes),
1. Manufacturer Overview
| Location | Zibo, China |
| Year Established | 2004 |
| Annual Output Value | Below US$1 Million |
| Main Markets | Middle-East America; Mid East; Northern Europ; Africa; Southeast Asia |
| Company Certifications | CE；ISO |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Qingdao |
| Export Percentage | 1% - 10% |
| No.of Employees in Trade Department | 500-999 People |
| Language Spoken: | English; Chinese |
| b) Factory Information | |
| Factory Size: | Above 50,000 square meters |
| No. of Production Lines | Above 8 |
| Contract Manufacturing | |
| Product Price Range | High; Average |
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AC Motor Drive MV Variable Frequency Drive 4.16KV
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1PC pc
- Supply Capability:
- 10,000pcs/year pc/month
OKorder Service Pledge
OKorder Financial Service
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