variable frequency drives:
1,For energy conversation
2,PID inside,Easy manage
3,High energy conservation
4,Competitive price
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
Contact SupplierPackaging Detail: Shared Carton;Wooden Case;According to customers' demands
Delivery Detail: within 10 days after receiving payment
Characteristics
1.This type of variable frequency drives is designed for energy conversation of fans
2.High efficiency of energy conservation from 20% to 60% (variable with the different working situation)
3.Extend the utilize life of the fan equipment, make the power system work stably, reduce the abrasion and failure ratio
4.Soft start-up, function of braking
Application
1.Roots Fan
2.Mine Fan
3.Centrifugal Fan
4.Industry Fan
5.Environmental Engineering Equipment
Mark:Can provide OEM service according to customers' demands
Specification
Item | Specifications | |
Inverter Capacity Range | 0.4KW~400KW | |
International Protection (IP) Class | IP20 | |
Cooling Method | Forced air cooling, natural cooling | |
Basic Function | Speed tracing, PID control, auto speed compensation, AVR, torque control, overlay control, time control, multi-speed choice, etc | |
Power Supply | Rated Input Voltage and Frequency | Single-phase:220V,Three-phase:380V 50~60Hz |
Allowable Voltage Function | ±20% | |
Allowable Frequency Function | 5% | |
Output Characteristics | Output Voltage | 3-phase:220V±20%/380V±20% (proportional to input voltage) |
Rated Output Frequency | Up to 650Hz available by programming | |
Rated Output Current | From 2.5A to 920A, according to different application | |
Control characteristics | Control Method | 1. Vector Control 2. V/F Control 3. Constant Torque or Power Control |
Frequency Accuracy | Digital command:±0.01% (controlled by the keyboard of the inverter) | |
Analog command: ±0.1% | ||
Frequency Resolution | Digital operator reference: 0.01Hz | |
Analog reference: 0.1Hz | ||
Brake Unit(accessory) | Standard accessory inside for inverter capacity: 18.5KW and over | |
Optional accessory for inverter capacity: 18.5KW and over | ||
Acceleration/Deceleration time of DC Braking | 0.0 to 6553 second (Accel/Decel time setting independently) | |
Braking Voltage | Adjustable range:5%~30% | |
Braking Frequency | Allowable brake range: 0.5~50Hz | |
Braking Time | Adjustable range:0.0~25.0 second | |
Torque Compensation | 0~6% under lower frequency | |
Wiring Distance Between Inverter and Motor | Less than 50 meters (must add reactor when over 55m) | |
Protective Functions | Overload Capacity | G/Z/Y/M/S type: 150% of rated output current for 1 minute |
F/P type: 120% of rated output current for 1 minute | ||
Instantaneous Over-current | G/Z/Y/M/S type: Motor coasts to a stop at approx. 200% of rated output current. | |
F/P type: Motor coasts to a stop at approx. 150% of rated output current. | ||
Heat-sink Overheat | Protected by thermistor and motor coasts to a stop when temperature rises to 80°C | |
Others | Short circuit, under-voltage, overvoltage, lack of phase | |
Control Signal | Analog Input | 0~5V or 10V, 0~20MA (Z type: 0~1A, 0~5V or 10V) |
Analog Output | PWM signal output after filtering, pulse output up to 10V by setting | |
Digital Input | Six group of input terminals covering 99 functions for choice | |
Digital Output | Two group of programmable open-loop output and one group of programmable relay output covering 93 functions for choice | |
Communication Interface | RS-485 Interface | Control the motor up to 99 units by one inverter |
Display Function | Output current, input/output power capacity, power factory/coefficient, time, etc. | |
Environment | Ambient Temperature | 10°C~50°C (keep out of direct sunlight) |
Humidity | 90% RH or less | |
Location | Indoor (protected from corrosive gases and dust) | |
Elevation | 1000m or less | |
Vibration | 0.5G or less |
ISO Certificate
LED Keyboard