CHINT/CHINT NVF3G-LS series inverter single-phase 230V

Introduction: NVF3G-LS series special inverter for wire drawing is a cost-effective special inverter for the wire drawing and winding industry. The NVF3G-LS series integrates the winding control function, which supports the functions of winding diameter calculation, tension PID control and wire break detection function, which makes the mechanical and electrical control system more simplified.

CHINT/CHINT NVF3G-LS series inverter single-phase 230V

　　Product parameters

input

Rated voltage: three-phase: (380-440)V; Single-phase: 230V

Frequency: 50Hz/60Hz

Voltage range: three-phase: 380V (-15%) - 440V (+15%) single-phase: 230V (±15%)

Frequency range: (47-63)Hz

output

Voltage: 0 - rated input voltage

Frequency: (0-300) Hz

Overload capacity: 150% rated current for 1 minute, 180% rated current for 2 seconds

The main control performance

Control mode: no PG vector control (SVC) with PG vector control (FVC) V/F control

Modulation: Space vector PWM modulation

Starting torque: 150% rated torque at 0.5Hz (without PG vector control) 200% rated torque at 0.00Hz (with PG vector control)

Frequency Resolution: Digital Setting: 0.01Hz, Analog Setting: Maximum Frequency×0.5%

Torque lifting: automatic torque lifting, manual torque lifting

V/F curve: 6 methods: straight V/F curve, 3 torque reduction characteristic curve methods (2.0 power, 1.7 power, 1.2 power), multi-point V/F curve method, and V/F separation curve method

Acceleration and deceleration curves: Linear acceleration and deceleration (4 types), S-curve acceleration and deceleration

Automatic current limiting: The current is automatically limited during operation to prevent frequent overcurrent fault tripping

Special functions for wire drawing: main speed calculation function, coil diameter calculation function, tension PID function, wire break detection function

Run the function

Running command channel: the operation panel is given, the control terminal is given, and the communication control can be switched in a variety of ways

Digital inputs: 7 multi-function digital programmable inputs (including 1 high-speed pulse input terminal)

Digital outputs: 2 multi-function digital programmable outputs (up to 100kHz)

Analog input: 3 analog signal inputs, optional (0-20)mA, (4-20)mA current signal input or (-10-+10)V voltage signal input

Analog output: 2 analog signal outputs, (0-20) mA, (4-20) mA current output or (0-10) V voltage output can be selected respectively, which can realize the output of physical quantities such as set frequency and output frequency

Relay output: 2 relay outputs, 1 normally open and normally closed, 1 normally open. Contact Capacity: NO 5A /NC 3A 250V (AC)

Operator panel

LED display: It can display more than 20 parameters such as set frequency, output frequency, output voltage, output current, etc

Key Lock: Locks all or part of the key

Function selection: Define the scope of action of some keys to prevent misoperation

Protection function: It has protection functions such as over-current protection, over-voltage protection, under-voltage protection, over-temperature protection, overload protection, and phase loss protection

structure

Degree of protection: IP20

Cooling method: Axial DC fan cooling

Installation: wall-mounted

Efficiency: 93% ≥ 37kW and below; 45kW and above≥ 95%

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This article introduces CHINT/CHINT NVF3G-LS series inverter single-phase 230V products, if you are interested in CHINT/CHINT inverter, please also contact our customer service, we look forward to your call, hope our technology and service can bring you a better experience.

CHINT/CHINT NVF3G-LS series inverter single-phase 230V

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