Introduction: NVF3M series mini inverter is a high-performance vector control inverter independently developed by our company, which adopts advanced control strategy to achieve high-precision magnetic flux vector torque control, with high control accuracy, wide speed range, large starting torque, high reliability, strong overload capacity, flexible and convenient operation. Rich and practical speed control, torque control, process closed-loop control, simple PLC, swing frequency control, multi-stage speed control and other functions, can meet a variety of complex high-precision transmission needs. NVF3M series miniature inverter is divided into single-phase general-purpose type and three-phase general-purpose type, which has the functions of strong load adaptability, reliable and stable operation, and automatic energy-saving operation.
The products are designed and tested in accordance with international standards, and strictly simulate the user environment.
Comply with standards: GB/T12668.2, EN61800-5-1, EN61800-3.
Product parameters
input
Input voltage range: 220V series: 187V-253V, 380V series: 323V-437V
Input frequency range: (47-63)Hz
output
Output voltage range: 0 - input voltage
Output frequency range: (0-300)Hz
Peripheral interfaces
Programmable digital inputs: 5 channels (including 1 high-speed pulse input)
Programmable analog input: AI1: (0-10)V or (0/4-20)mA input; AI2: (0-10)V or (0/4-20)mA input
High-speed pulse output: 1 output
Relay output: 1 output;
Analog output: 1 output, (0-10)V or (0/4-20)mA can be selected respectively
Operational features
Torque Lift: Automatic Torque Lifting; Manual torque increased by 0.1% - 30.0%
Energy consumption braking: built-in braking unit, external braking resistor
DC braking: start and stop are optional respectively, action frequency (0-60) Hz, braking current (0-100)% rated current, action time (0.0-30.0)s
Jog control: jog frequency range: (0-50.0)Hz, jog acceleration and deceleration time (0.1-3600)s
Multi-speed operation: Multi-speed operation is achieved through the built-in simple PLC or control multi-function terminal
Automatic Voltage Adjustment (AVR): Automatically keeps the output voltage constant when the grid voltage changes
Automatic current limiting: The current is automatically limited during operation to prevent frequent overcurrent fault tripping
Built-in PID controller: It can easily form a closed-loop control system
Customize MF function keys: MF keys can be set to jog operation, free parking, and fast stopping
Protection function: Provide up to 20 kinds of fault protection functions: over-current, over-voltage, under-voltage, over-temperature, phase loss, overload, PID disconnection and other protection functions
Technical characteristics:
Control mode: no PG vector control, V/F control
Overload capacity: 150% rated current for 60s
Starting torque: No PG vector control: 150% rated torque at 0.5Hz
Speed ratio: 1:100 (no PG control); 1:50 (V/F control)
Speed control accuracy: ±0.5% of the maximum speed
Carrier frequency: (0.5-15) kHz
structure
Degree of protection: IP20
Brake unit: Three-phase universal type is equipped with built-in braking unit as standard, and single-phase universal type is equipped with built-in braking unit as an option
Cooling method: Axial DC fan cooling
We will provide customers with high-quality products and satisfactory services with honest and trustworthy, convenient and fast business methods and strict management.
This article introduces CHINT/CHINT NVF3M series mini inverter relay 1-way output 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.
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