Powtech PT200 Series High-performance Vector Motor Controll

Power supply

Level of voltage frequency

Single phase 200~240V, 50/60Hz three phase 200~240V,50/60Hz

three phase 380~415V, 50/60Hz three phase 440~460V,50/60Hz

three phase 575V,50/60Hz three phase 660V, 50/60Hz

three phase 1140V, 50/60Hz

Allowable fluctuation

Voltage :±15% frequency: ±5%

Control performance

Control system

AC frequency vector inverterswith vector control based the high performance of DSP

Output frequency

G/P/Z/S/T/M type: 0.00~400.0Hz,

The highest frequency can be set among 10.00~400.0Hz

Control method

V/F control, vector control for flux with open loop 1,vector control for flux with open loop 2,

vector control for PG

Lifting function

of automatic torque

Torque control for low frequency (1Hz) and great output in the control method of V/F

Control on accelerating and decelerating

Setting method for subsections of accelerating and decelerating S curve; the longest operation time 9600 h

Control on programme operation

Operation for speed program of 16 sections; the longest operation time 888.88 h

Image resolution of frequency setting

Figure: 0.01Hz(below300Hz),0.1Hz( above300Hz)

simulation: 0.05Hz / 60Hz

Frequency accuracy

Common difference of speed control 0.01%(25℃±10℃)

V/F curve method

User defines V/F curve for linear and multiple power

Overload capacity

G/S type: rated current 150%-1 minute, rated current 200%-0.1 second

P type :rated current 120%-1 minute,rated current 150%-0.1 second

Z/M/ T type:rated curren180%-1minute,rated curren250%-0.1 second

H type :rated current 250%-1 minute, rated current 300%-0.1 second

Slippage compensation

50~100%, compensation for automatic slippage

The highest frequency

400Hz

Carrier frequency

0.5KHz~15KHz; carrier frequency can be adjusted based on the load characteristics

Image resolution of output frequency

Figure setting: 0.01Hz simulation setting: the highest frequency × 0.1%

Starting torque

G motor: 0.5Hz/180%

P motor: 0.5Hz/120%

Speed range

1:200

Accuracy of speed stabilizing

(accuracy of speed control)

Vector control for flux with open loop:≤±0.5% (rated synchronous speed)

Stability of speed control

vector control for flux with open loop :≤±0.3%(rated synchronous speed)

Torque response

≤40ms (vector control for flux with open loop)

Torque boost

Automatic torque boost; manual torque boost 0.1%~30.0%

acceleration and deceleration line

Acceleration and deceleration method for line; for acceleration and deceleration time; time scope for acceleration and deceleration 0.0s~3600.0s

DC braking

DC braking frequency :0.0Hz~maximum frequency, braking tine:

0.0~36.0 second,current value for braking movement: 0.0%~100.0%

Electronic control

Range of jog frequency :0.00Hz~maximum frequency;

Acceleration and deceleration time of jog: 0.0s~3600.0s

Operation on multi sections

Realize the maximum operation of 16 sections via control terminals

Build-in PID

Realize closed-loop control system with process control conveniently:

Automatic voltage regulation (AVR)

Automatically make the output voltage constant when the network voltage changes

Torque limitation and control

Excavator characteristics: automatic limitation on torque during the operation period and prevention for frequent overcurrent trip; and vector model of close loop can realize the torque control

Personalized function

Self-checking for outside equipment safety of electrifying

Realize the security detection of electrifying on outside device like ground connection and short circuit

Function of DC bus

Realize the function for many transducers to share DC bus

key

Programmable key: function choice for positive and negative operation and jog operation

Pendulous control of textile

Multi control functions of triangular wave

Current -limiting function of the carrier

Built- in current-limiting algorithm of waveband reduces the probability for the AC frequency vector inverters to report overcurrent and improve the whole motor’s ability on resisting disturbance

Timing control

Timing control function: setting time scope 0h~65535h

Standardization for extension cord of the keyboard

The customer can use the standard network cable to prolong the keyboard

Operation

Inputting signal

Operation method

Keyboard/terminal/communication

Frequency setting

Six frequency source in total: setting of keyboard, analogue voltage, analogue current, operation for multiple sections, PID control, remote communication and presetting of keyboard potentiometer can be changed via multiple methods

Starting signal

Corotation and inversion

Speed of multiple sections

Speed for 16 sections can be set at most (using multifunction terminal or program execution)

Acceleration of multiple sections

Acceleration 4 sections can be set at most (using multifunction terminal )

Emergency stop

Interrupt controller output

Operation of pendulous frequency

Operation of process control

Jog

Operation with low speed

Fault resetting

Automatically or manually reset the fault state when the protection function is at an effective state

PID feedback signal

Including DC 0~10V, DC 1~5V, DC 0~20mA and DC 4~20mA

Outputting signal

Operating condition

Motor situation showing stop, acceleration and deceleration, constant speed and state of programme operation

Fault output

Output of sensitive point-AC 250V 5A, DC 30V 5A

Analog output

Two analog outputs can choose 8 signals such as frequency, current, voltage and so on; and output signal scope can be set randomly among 0~10V/0~20mA.

Output of digital quantity

Up to three output signals; every output signal has nine signals for choice

Operation function

Limiting frequency, avoiding frequency, slippage compensation, invert protection, self-adjusting and PID control

Braking of direct current

Built-in PID adjusts brake current and protects sufficient braking torque without overcurrent

Run command channel

Three channels: presetting of operation panel, control terminal and serial communication. The change via various methods

Input terminal

Six digital input terminals can be compatible with active loudspeaker PNP or two input terminals of analog of NPN input method; among them, AI1 and AI2 can be input as voltage or current. (if it necessary to expand the function of input and output terminals, please use IO expansion cards)

Output terminal

One digital output terminal (bipolar output), a relay output terminal, and an analog output terminal can respectively choose 0/4mA~20mA or 0/2V~10V and realize the output of physical quantities such as setting frequency, output frequency and rotate speed

Protection function

AC frequency vector inverters protection

Overvoltage protection, low-voltage protection, overcurrent protection, overload protection, overheat protection, protection of overcurrent and speed reduction, protection of overvoltage and speed reduction, protection of default phase (optional functions), external fault, communication error, abnormal feedback signal of PID and PG fault

IGBT temperature display

Display current IGBT temperature

Control of AC frequency vector inverters fan

Starting temperature for the fan can be set

Instant power failure and then restarting

Less than 15 millisecond: Continuous operation

More than 15 millisecond: automatically detect the motor speed and restart after instant power failure

Tracking method of rotate speed

Automatically track motor speed at the start of the transducer

Protection function of parameter

Protect the AC frequency vector inverters parameter via setting supervisor password and decode

Display

LED/OLED show keyboard

Operation information

18 monitoring objects of the operation in total: operation frequency, setting frequency, rated current of the motor, current percentage, DV bus voltage, output voltage, actual speed of the motor, accumulative operation time, IGBT temperature, PID given value, feedback value of PID, state of input terminal, state of output terminal, value of analog AI1, value of analog AI2A, current number for speed of multiple sections and setting value of torque

Error message

Keep five error messages at most and inquire fault type, voltage, current, frequency and working condition when the fault occurs

LED display

Display parameter

OLED display

Options available; instruction in Chinese/English

Parameter copy

Using special keyboard of parameter copy can realize the quick copy of the parameter (limited too OLED)

Key lock and function choice

Realize partial or complete lock of the button; define the effect scope of partial buttons to prevent wrong operation

Communication

RS485/RS232

It can choose isolated RS485/RS232 communication module to realize the communication with the upper computer

Environment

Environment temperature

-10℃~40℃( environment temperature is among 40℃~50℃; please use it with derating)

Storage temperature

-20℃~65℃

Environment humidity

Less than 90 % R.H,not exceeding 90 % R.H

Height; vibration

Below 1000 m, below 5.9m/s²(=0.6g)

Application place

Indoor, without sunlight or corrosivity, explosive gas or water vapor, dust, combustible gas, oil mist, water vapor, dropping water or salinity

Altitude

Belong 1000m

Pollution degree

2

Product standard

The product implements safety standard

IEC61800-5-1:2007

The product implements EMC standard

IEC61800-3:2005

Cooling method

Forced cooling and natural air cooling