Speed Controllers

Powertech Speed Controller PT-A37G

The VFD speed controller unit is suitable for a variety of industrial applications.

It applies to electric, industrial equipment that has motors, such as construction equipment, compressors,

See full description

The VFD speed controller unit is suitable for a variety of industrial applications.

It applies to electric, industrial equipment that has motors, such as construction equipment, compressors, elevators, etc.

See full description
99,00
Express deliveryTomorrow, 12 February
+14,00 €shipping cost

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Description

The VFD speed controller unit is suitable for a variety of industrial applications.

It applies to electric, industrial equipment that has motors, such as construction equipment, compressors, elevators, etc.

The reliable SVC vector control and stable speed operation can optimize motor performance and extend its life cycle.

It offers faster acceleration/deceleration, quicker response to load changes, and proactive response during power reduction.

Additionally, it is equipped with a large silent fan, which is conducive to rapid heat dissipation.

General Characteristics:

  • Option for V/F Control, Sensor-less Vector Control (SVC), and Feedback Vector Control (FVC)
  • Automatic torque boost and slip compensation
  • Fast acceleration and deceleration performance
  • 150% torque at 0.5Hz
  • Provides precise speed control <0.5%
  • Accepts wide input voltage from 300V to 480V
  • Conformal coating for harsh environment resistance
  • Built-in RS-485 MODBUS communication
  • Built-in dynamic braking unit
  • Simplified parameter setting for easy startup
  • Standard potentiometer and external keypad support
  • Flexible programmable I/O connection
  • Controls motor deceleration to stop in case of sudden power outage to prevent damage

Technical Specifications:

INPUT
  • Input Voltage: AC,3PH,380V(-15%)~440V(+10%)
  • Rated Frequency: 50/60 Hz
  • Frequency Range: +/-5% (47.5 ~ 63Hz)
OUTPUT
  • Output Voltage: 0- Input Voltage
  • Maximum Output Frequency: 0.1 ~ 500HZ
  • Output Power: 9 A
  • Output Current Please refer to Rated Parameter table

Key Features:

  • Highest frequency: Vector control: 0~500Hz, V/F control: 0~500Hz
  • Carrier frequency: 0.8KHz~8KHz (Support up to 16KHz carrier frequency), Adjusted automatically according to the load characteristics
  • Input frequency resolution: Digital setting: 0.01Hz, Analog setting: Highest frequency x0.025%
  • Control mode: Open-loop vector control (SVC), V/F control
  • Starting torque: 0.5Hz/150% (SVC)
  • Adjustable speed ratio: 1:100 (SVC)
  • Speed control accuracy: +/-0.5% (SVC)
  • Overload capability: 150% of rated current: 60 seconds, 170% of rated current: 12 seconds, 190% of rated current: 1.5 seconds
  • Torque boost: Auto torque boost; Range of manual torque boost 0.1%~30.0%
  • V/F curve: Three types: Linear, Multi-point, square curve (1.2 power, 1.4 power, 1.6 power, 1.8 power, 2 power)
  • V/F separation: Full separation, Half separation
  • Acceleration and deceleration time: Linear and S-curve acceleration and deceleration modes available. The range of acceleration and deceleration time is 0.0~6500.0s.
  • DC braking: DC braking frequency: 0.00Hz ~ Maximum frequency, Braking time: 0.0s~36.0s, Braking current value: 0.0%~100.0%
  • JOG control: JOG frequency range: 0.00Hz ~ Maximum frequency (5Hz in default). JOG acceleration and deceleration time: 0.0s~6500.0s.
  • Built-in PID: Simplify the establishment of a closed-loop control system
  • Automatic voltage regulation (AVR): Keep the output voltage in stable when the grid voltage fluctuates.
  • Stall prevention from overvoltage and overcurrent: The current and voltage are limited automatically during operation to prevent frequent tripping due to over-current and over-voltage.
  • Rapid current limit: Reduce the risk of over-current faults to keep VFD operated normally.
  • Torque limit and control: Limit the torque automatically during operation to prevent frequent tripping due to over-current.
  • Braking unit: Built-in braking unit for 18.5KW and below models

Special Features:

Deceleration to stop: In case of power loss, the energy from the load feedback is used to compensate and decelerate the motor to a stop, to avoid mechanical damage.
Fast current limiting: Reduces the risk of overcurrent faults to maintain normal VFD operation.
Timer control: Adjustment range: Adjustment range: 0.0Min ~ 6500.0Min

Communication: Modbus

INPUT & OUTPUT

Command source: Operation panel, control terminal, and serial communication port.
Frequency source: Digital setting, analog voltage setting, analog current setting, pulse setting, and serial port setting.
Auxiliary frequency source: 5 options for providing flexible detailed auxiliary frequency setting and frequency synthesis.
Input terminals: 4 digital input terminals, one of which supports high-frequency pulse input up to 50kHz
Output terminals: 10V or current input 0 ~ 20mA.

DISPLAY BUTTONS

LED Display: Display parameters
Key lock and mode selection: Allows users to partially or fully lock the keys or set the operating range for some keys to avoid incorrect operation
Protective function: Protection: motor short circuit detection during activation, output phase loss protection, overcurrent protection, overvoltage protection, undervoltage protection, overheating protection, overload protection, etc.

ENVIRONMENT

  • Storage temperature: -20°C ~ 60°C
  • Operating temperature: -10°C ~ 50°C (If the temperature is higher than 40°C, the output capacity will decrease by 1% per 1°C increase)
  • Storage humidity: <90%RH
  • Operating humidity: <90%RH
  • Noise level: 50dBA max.

INTERACE

Communication port: RS-485

Specifications

Product Guides

User Manual
Power
3.7 kW

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

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