CHINT NVF2G-S Series User Manual

3
Main technical parameters and performance
3.1 Technical parameters and performance
Table 3.1 General technical specification parameters and performance
project
project description
Input
Rated voltage
Three-phase: 380~440 V: 380V(-15 %) ~ 440V(+15%)
Frequency
50Hz / 60Hz
Voltage range
Three-phase: 380V(-15%)~440V( + 15%)
Frequency Range
(47~ 63)Hz
Output
Voltage 0~ rated input voltage
Frequency
(0- 600 ) Hz
Overload capacity
T : 150% rated current for 1 minute, 180% rated current for 2 seconds
P type: 120% rated current for 1 minute, 150% rated current for 1 second
Main control
Performance
Control method
Sensorless Vector Control(SVC)
V/F control
Modulation
Space Vector PWM Modulation
Starting torque
150% rated torque at 0.5Hz(SVC)
Frequency resolution Digital setting: 0.01Hz; Analog setting: maximum frequency × 0.5%
Torque boost Automatic torque boost, manual torque boost
V/F curve
Straight line V/F curve, 3 kinds of torque reduction characteristic curve
methods (2.0 power ,1.7 power ,1.2 power), multi -point V/F curve method
Acceleration and
deceleration curve
Linear acceleration and deceleration ( 4 types )
Automatic current
limiting
Automatically limit the current during operation to prevent frequent over-
current fault tripping
Customization
function
Jogging
Jogging frequency range: ( 0.10 ~ 600.00 ) Hz
Jogging acceleration and deceleration time (0.1 ~ 6500.0) s can be set,
interval time can be setjogging
Multi-speed operation
Realize multi-stage speed operation through control terminals
Peripheral
Interface
Features
Run command channel
Operation panel setting and control terminal setting communication control,
which can be switched in various ways
Digital input
6 multifunctional digital programmable inputs
Digital output
1 channel multi-function digital programmable output
Analog input
2 -way analog signal input , optional ( 0~20 ) mA , (4~20) mA current signal
input or (0 ~10 ) V voltage output
Analog output
2 channels of analog signal output , respectively optional (0~20) mA , (4~20)
mA current output or (0~10) V voltage output, which can realize the output
of physical quantities such as set frequency and output frequency
Relay output
2 relay outputs , 2 normally open and normally closed.
Contact capacity: NO 5A/NC 3A250V ( AC )
RS485 communication
interface
1 channel, support Modbus protocol
Operation
Panel
LED display
Can display more than 20 parameters such as set frequency, output
frequency, output voltage, output current, etc.
Key lock
Realize the locking of all or part of the keys
Feature selection
Define the scope of action of some keys to prevent misuse
Protective
function
With overcurrent protection, overvoltage protection, undervoltage protection, overheat protection,
overload protection, phase loss protection and other protection functions
Structure
Degree of protection
IP20
Cooling method
Axial DC fan cooling
Installation method Wall-mounted
Efficiency
37kW and below ≥ 93%; 45 kW and above ≥ 9 5%
006
NVF2G-S Series Inverter User's Guide

CHINT NVF2G-S Series Specifications

General

Brand	CHINT
Model	NVF2G-S Series
Category	Inverter
Language	English