VFD Vector Inverter

Project

Item Description

import

Rated voltage and frequency

Single-phase 220 V: single-phase 220V, 50Hz / 60Hz; three-phase 380 V: three-phase 380V, 50Hz / 60Hz;

Allowable voltage fluctuation range

Single-phase 220 V: 200~260V; three-phase 380 V: 320~460V:

output

voltage

0~ Input voltage

frequency

0~600Hz

overload capacity

150% rated current for 1 min

control

function

control method

① No PG vector control (support synchronous and synchronous motors);

② With PG vector control (support for synchronous and asynchronous motors);

③V/F control;

④ No PG torque control (support synchronous and synchronous motors);

⑤ With PG torque control (support for synchronous and asynchronous motor);

⑥ Position control (support synchronous and synchronous motors).

Speed control accuracy

± 0.5% rated synchronous speed (no PG vector control);

± 0.1% rated synchronous speed (with PG vector control);

± 1% rated synchronous speed (V / F control);

Speed range

1:2000 (with PG vector control); 1:200 (no PG vector control); 1:50 (V / F control).

starting torque

1.0Hz: 150% rated torque (V / F control);

0.25Hz: 150% rated torque (no PG vector control);

0Hz: 180% rated torque (with PG vector control).

velocity perturbation

± 0.3% rated synchronous speed (no PG vector control);

± 0.1% rated synchronous speed (with PG vector control).

Torque control accuracy

± 8% rated torque (no PG vector control, no PG torque control);

± 5% rated torque (PG vector control, PG torque control).

Torque response

20ms (no PG vector control):

10ms (with PG vector control).

Must-rate accuracy

Number setting: highest frequency ± 0.01%; simulation setting: highest frequency ± 0.5%.

frequency

resolution ratio

Simulation setting

And 0.1% of the highest frequency

Digital setting accuracy

0.01Hz

External pulse

And 0.1% of the highest frequency

Recurrent ascension

Automatic torque lifting; manual torque lift 0.1~30.0%.

V / F curve (voltage and frequency characteristic)

The rated frequency is set at 5~600Hz, and constant torque, decreasing torque 1 and decreasing torque can be selected

2, decreasing torque 3, custom V / F, VF separation and other 6 class curves

Add deceleration curve

Two ways: linear acceleration and deceleration and S curve acceleration and deceleration; 15 kinds of acceleration and deceleration time, time unit

(0.01s,0.1s.1s) Optional, up to 1,000 min

braking

dynamic braking

The three-phase 22KW and below power segment model has a built-in brake unit, only between (+) and PB

Brake resistance: 30KW and above power section models can be optional built-in brake unit, only in

(+) Add braking resistance between it and PB, and also connect the external braking unit between (+) and (-);

DC injection braking

Start and stop actions are optional respectively, with action frequency 0~15Hz and action current 0~100%

Fixed current, action time 0~30.0s.

crawl

Point action frequency range: 0Hz~ upper limit frequency; the point action acceleration and deceleration time is 0.1~6000.0 seconds.

Multi-section speed operation

Through the built-in PLC or control terminals, up to 15 segments, each segment is added separately

Deceleration time, built-in PLC support power storage.

Built-in PID controller

Can form a closed-loop control system.