High voltage inverter 75kw motor frequency converter 380v 3ph Variable Frequency drive

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Product Overview

Description

SD780 series variable frequency drive

1. Driving method: V/F Control,without PG vector control

2. Overload characteristic: 150% rated current 1min,180% rated current 10 sec,200% rated current 2 sec

3. Speed control accuracy:1%

4. Speed regulating range:1:50

5. Starting moment: 150%/1Hz

6. Automatic current limiting: automatic limit current output,avoid frequently over load trip

7. Torque boost: automatic torque boost,Fixed torque boost curve,optional V/F curve

8. Signal input source:digital,analog voltage, analog current, Multistage speed, simple PLC,MODBUS,swing frequency,PID, Main frequency set, Auxiliary frequency combination set,Terminal switch

 

Inverter Model:

 

Single Phase  220V

Power Capacity(KW):0.4, 0.75, 1.5, 2.2

Output C(A):2.8, 4.8, 8, 10

Triple Phase  380V

Power Capacity(KW):0.75, 1.5, 2.2, 3.7, 5.5, 7.5,11, 15

Output C(A):2.8, 4.8,  6.2, 9.2,13, 17,25, 32

 

Specifications 

 

Item

Specifications

Input

                             XXX-2SXXXXGB:Single phase 220V(±20%)                              50-60Hz(±5%)                                                                           

XXX-4TXXXXGB: Three-phase 380V(±20%)                              50-60Hz(±5%)                                                                               

Output

Maximum output Voltage

 Equal to the input voltage

Full-load output Current

100% rated current

Overload capacity

150% rated current  1minute, 180% rated current  10 seconds,200% rated current 2 second

Basic Operation Functions

Drive method

V/F,Vector control without PG

Velocity setting method

Analog quantity,Communicate,Multistage speed preset,Keypad

Running Mode

Keypad,Control terminal(2-line control,3-line control),RS485

Frequency control range

0.00~320.00Hz.

Frequency setting resolution

Digital:0.01Hz, Analog:0.10Hz

Speed range

1:50

Speed stability accuracy

1%

Accelerate and decelerate Time

0.01-600.00 seconds

Voltage and frequency characteristic

Adjustable rated output voltage 5%-100%.   Adjustable basic frequency 20.00~320.00Hz

Torque boost

Automatic torque boost,Changeless torque curve, Arbitrarily optional V/F curve

Start up torque

150%/1Hz

 Automatic Output voltage regulation(AVR)

When function AVR effective and input voltage changed,output voltage  remain constant. Accuracy:rated input voltage ±10%

Automatic current limit

Automatic limit output current,avoid frequently overload trip

 DC injection braking

Braking time:0-30 seconds;Braking current :150% rated current

Signal input source

Digital,analog voltage, analog current, Multistage speed, simple PLC,MODBUS,swing frequency,PID, Main frequency set, Auxiliary frequency combination set,Terminal switch

Input/output     function

Auxiliary source

10V/10mA,24V/50mA

Digital input terminal

Internal impedance:27KΩ

Can be connected with external source 0-20V,Active low

Maximum input frequency:1kHz

6 digital programmable input terminals,user can set functions of terminals with Functional Code

Analog input terminal

1 voltage source,input 0-10V;1 optional source,current input 4-20mA,or  voltage source,input 0-10V

Internal impedance:Voltage source input 1MΩ,Current  source input:250Ω

Resolution:0.1V

Digital output terminal

1 programmable Open Collector output,maximum load:50mA/24V;Output frequency:0-1kHz

1 programmable Relay output, Normal Open :EA, Normal Close: EB, Common port:EC;  Contact rating:3A/AC250V, Power Factor>0.4 or 1A/DC30V

Analog output terminal

1 programmable analog output terminal.Output: 0-10V,maximum load 2mA

Resolution:0.1V

Keyboard

LED display

5 LED digitrons display information of Inverter,8 input keys

Protection

Protection function

Over-current protection, Over-voltage protection,Input/output phase loss protection,Output short-circuit protection,Over temperature protection

Environment

Installation location

Indoor, Altitude less than 1000m,free from direct sunlight, dust, corrosive gas,.

Ambient temperature

Temperature:-10~+40,20%-90%RH,no water condenses

Vibration

Less than 0.5g

Storage temperature

Temperature::-20~+60

Vibration

Less than 5.9m/s2(0.6g)

 Installment method

Wall-mount,Permeable wall

Level of Protection

IP20

Cooling-down method

Forced air cooling

Running noise

38-56dB/A

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