Biến tần Veichi 380V AC70 T3 2G2G/3R7P- 2.2KW

Technical Specification

Items

Description

Power Input

voltage, frequency

single phase 220V, 3 phase, 220V,380V, 660V and 11140V

Allowable fluctuations

Voltage:320V to 440V;Unbalance of Voltage:＜3%; frequency±5%
Distortion of voltage to confirm to IEC61800-s

Surge close current

less than rated current

Power Factor

≥0.94( integrated DC reactor)

Efficiency

≥96%

Power Output

Output Voltage

3 Phase, 0～Input voltage, tolerance less than 5% in standard rating condition

Frequency Control Range

G type: 0 to 400Hz, P type: 0-400Hz, Z type: 0-400Hz, L type: 0-400Hz,

H type: 0-3000Hz.

Output frequency accuracy

±5% of maximum frequency

Overload Tolerance

G,H,L type model:150% of rated output current for 60 sec,180% of rated current for 10s,200% of rated current for

Z type: 150% rated current  for 60 sec, 180% rated current for 30 sec, 250% rated current for instantaneous

P type: 120% rated current 60 sec, 150% rated current for instantaneous

Key Control performance

Motor Control Mode

Open loop sensorless vector control without PG, V/F control

Control system

Optimized Space Vector PWM Modulation

Carrier frequency

0.6～ 15kHz, Randomly-modulated carrier

Speed control range

OLV without PG with rated load: 1:100,

Stable speed control accuracy

OLV without PG: less than 1% (25°C ±10°C),

Starting torque

OLV without PG control mode: 150% rated torque under 1Hz,

Torque response

OLV without PG control mode: ≤20ms

Frequency Accuracy
(Temperature Fluctuation)

Digital inputs: maximum×±0.01%
Analog inputs: maximum×±0.2%

Frequency Setting Resolution

Digital inputs: 0.01 Hz
Analog inputs: 0.5% of maximum output frequency

Standard Function

DC Braking

Starting Frequency: 0.00 to 50.00Hz,
Braking Time: 0.0 to 60.0s
Braking current: 0.0 to 150% rated current

Torque boost

Auto torque boost:0.0% to 100%
Manual torque boost: 0.0% to 30%

V/F curve

5 kinds curve programmable setting:1 user setting, 1 of linear characteristic torque curve setting. 3 kinds derating torque setting( 1.5 power, 1.7 power, 2.0 Power curve )

Accel / Decel. curve

Two kinds curve: line Accel/Decel, S curve Accel/Decel.
4  Aceel/Decel time unit is 0.1s, maximum time 6500.0s

Rated output voltage

Power voltage compensation is available, setting range from 50 to 100%( rated voltage), the output voltage can't over than input

AVR( Auto Voltage Regulation

automatic voltage regulation for keeping output voltage stable when fluctuation of grid

Auto energy saving running

Optimized the output voltage according the load to achieve energy saving

Auto current limit

Auto current limit during running mode to avoid trip occurs frequently

Momentary Power Loss with no stop running

To achieve continuous running with regenerative enery and DC bus voltage regulation when momentary power loss

Standard Function

PID control, Carrier frequency adjustable, current limiter, Speed Search, Momentary Power Loss restart,8 Step Speed (max), 3-wire Sequence, Slip Compensation, Frequency Jump, Upper/lower Limits for Frequency Reference, DC Injection Braking at Start and Stop, Energy Saving Control, Modbus Comm RS485, Fault Restart, job function, Cooling Fan on/off Switch, timing stop, high pulse output, programmable auto running, swing frequency, counter, frequency arriving detect and frequency lever detect.

Frequency Setting Methods

Keypad digital setting, potentiometer of keypad, analog voltage terminal VS1, analog voltage terminal VS2, analog current terminal AS, RS485 communication and multiple terminal, main and auxiliary composition setting.

Feedback Input Channel

voltage terminal VS1, VS2, current terminal AS, communication , and pulse input PUL

Running command channel

keypad given, external terminal given, communication given

Input command signal

Start, Stop, FEW/Reverse, Job, Multiple speed, free stop, Reset, Accel/Decel time, Frequency set point channel, External fault

Output signal

2 Photo coupler relays: 2 (24 V, up to 50 mA)
1 Contact relays: 1 (250 Vac/up to 1 A, 30 Vdc/up to 1 A)
0-10V output, 4 to 20mA output
Frequency pulse output

Protection function

Overvoltage, under voltage, current limit, over current, overload, electric thermal relay, overheat, Stall prevention, parameter lock

keypad Display

LED Display

One line digit-segments LED display to monitor 1 running status

Double line  digit-segment display to monitor 1 running status

Parameters copy

upload and download parameter code to achieve easy copy

Monitor Function

Output frequency, Frequency set point, Out current, Output voltage, motor speed, PID feedback value, PID given setting, IGBT module temperature, I/O terminal status.

Alarms

Overvoltage, under voltage, over current, short circuit, phase loss, over load, over heat, stall prevention, current limit, parameter lock damage, running status at present alarm, past trip alarm

Environment

Installation Site

Indoor, Altitude should less than 1000m, Free corrosive gases and direct sunlight

Running Temperature, humidity

-10～+40°C ( wall mounting),-10～+45°C( enclosure) 
20% to 95% RH (No condensation)

Vibration

Less than 0.5g when frequency less than 20Hz

Storage Temperature

-25—+65°C

Installation mode

Wall-mounted mode, floor stand cabinet install

Protection Degree

IP20

Cooling Method

Forced air-cooling