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IP10 V / F control variable motor VFD frequency inverter drives for fans and pumps

GANDO INTERNATIONAL (HONGKONG) LIMITED

IP10 V / F control variable motor VFD frequency inverter drives for fans and pumps

Place of Origin : China

Brand Name : GANDO

Certification : CE

Model Number : 380V-P5-__KW

MOQ : 1 set

Delivery Time : 2 days

Payment Terms : TT, L/C, Western Union, Paypa

Supply Ability : 200 sets per week

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Variable Frequency Inverter Motor VFD Drives for Fans and Pumps

A cooling tower extracts heat from process cooling water. Common applications for cooling towers provide cooled water for air conditioning, manufacturing, and electric power generation.
A variable frequency drive can correctly identify the cooling tower fan rotation, slow the motor speed to zero (when opposite rotation is detected), and accelerate the fan in the correct direction. The VFD drive eliminates brakes, anti-ratcheting devices, and time delays. Running the fan slower, which raises tower and water temperatures, can prevent icing in cold weather. A VFD can reverse a cooling tower fan and keep the heat in the tower, if necessary. In warm weather, fans can be run faster, providing additional cooling capacity.

Application Challenges

  • Energy savings
  • Reduce maintenance requirements (personnel and equipment replacement costs)
  • Precisely control process water temperature stabilization

Features of P5 series cooling tower 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.

Smart restart

Instant power off continue running and speed tracking

S curve acceleration/deceleration mode

S curve acceleration/deceleration can reduce impact to the machine at start/stop time, and suitable for the start/stop process for loads of handling and transmission categories.

  • Power range of P5 VFD

    Voltage: 3 phase 380VAC(323VAC – 440VAC)

    Power: 18.5kw/25HP – 400kw/535HP

    Specification of P5 VFD

    Item

    Specification

    Input frequency

    50/60Hz

    Output frequency

    0-120Hz

    Overload current

    120% rated current 1min., 130% 6 sec.

    Control mode

    V/F control

    Brake torque

    125% with additional brake resistor

    Set frequency resolution

    digital command 0.01Hz;

    analogue command 0.1Hz/60Hz

    Voltage/Frequency feature

    34 fixed V/F features selectable, any V/F features can be set

    Running Mode

    Keyboard, control terminal, RS485

    Output Voltage self-adjustment

    When AVR function is enabled, the input voltage changes, while the output voltage almost remains unchanged

    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.


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