GANDO INTERNATIONAL (HONGKONG) LIMITED
Gando AC drive, everything can be under controlled
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AC Variable Frequency Motor Inverter Drives for Clean Room Fan
A clean room is virtually dust and/or bacteria free. Clean rooms are used in laboratory work and in assembly or repair of precision equipment. A clean room fan supplies clean air through ventilation systems. This fan runs a system that filters exterior air, maintains temperature and humidity at constant levels, and circulates the interior air through a high-performance air filter while expelling part of the interior air.
Application Challenges
Features of P5 series matching Clean Room Fan application
|
Features |
Benefits |
|
Dual digital tube |
Double lines of LED display, monitoring 2 kinds of information meantime, like frequency, current, voltage, speed and PID data. |
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Smart restart |
Instant power off continue running and speed tracking |
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Independent cooling channel design |
Independent cooling channel design. This is good for applications like printing, textile, cement and steel factories where severe environments exist. |
|
Terminal control |
Multiple control terminal, 6 DI, 4 DO, 2 AI, 4 AO, RS-485 support Modbus |
Power range of P5 VFD
Voltage: 3 phase 380VAC(323VAC – 440VAC)
Power: 18.5kw/25HP – 400kw/535HP
Specification of P5 VFD
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Item |
Specification |
|
Input frequency |
50/60Hz |
|
Output frequency |
0-120Hz |
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Overload current |
120% rated current 1min., 130% 6 sec. |
|
Control mode |
V/F control |
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Brake torque |
125% with additional brake resistor |
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Set frequency resolution |
digital command 0.01Hz; analogue command 0.1Hz/60Hz |
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Voltage/Frequency feature |
34 fixed V/F features selectable, any V/F features can be set |
|
Running Mode |
Keyboard, control terminal, RS485 |
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Output Voltage self-adjustment |
When AVR function is enabled, the input voltage changes, while the output voltage almost remains unchanged |
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Frequency setting signal |
0-10V, 0-5V, 4-20mA, 0-20mA |
|
Protection function |
Over voltage, under voltage, current limit, over current, overload, electronic thermal relay, overheat, over voltage stalling, data protection, under load precaution, loaded short circuit |
|
Enclosure |
IP10 |
|
Cooling mode |
forced air cooling |
|
Vibration |
Less than 0.5g |
|
Ambient temperature / Humidity |
-10 Degrees~+40 Degrees / 20~90%Rh (no condensation) |
Tips:
A variable-frequency drive (VFD) is a system for controlling the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor. A variable frequency drive is a specific type of adjustable-speed drive. Variable-frequency drives are also known as adjustable-frequency drives (AFD), variable-speed drives (VSD), AC drives, microdrives or inverter drives. Since the voltage is varied along with frequency, these are sometimes also called VVVF (variable voltage variable frequency) drives.