High Performance 0.75-630kw Variable Frequency Drive for Chemical Industry VFD

• Customization: Available
• Application: Three Phase Transducer, General Transducer, Single-phase Transducer, High Frequency Converter Transducer
• Output Type: Triple
• Model NO.: H900
• Principle of Work: V/F Control Transducer
• Switch Mode: PWM Control
• Main Circuit Type: Voltage
• Voltage of Power Supply: Low Voltage Variable-Frequency Drive
• Link of Transformation: AC-DC-AC Variable-Frequency Drive
• Nature of DC Power: Current Variable-Frequency Drive
• Function: Simple Type, Textile Special, Constant Torque Universal Type
• Brand: Rbca
• Speed Ratio: 1:100
• Max.Output Frequency: 1000Hz
• Control Method: V/F Control
• Communciation: 485 Communication
• Environment Temp.: -10-50 Degree C
• Braking Unit: Build-in
• Input Frequency: 50Hz/60Hz
• Kw Range: 0.75kw-630kw
• Transport Package: Export Seaworthy Package
• Trademark: RBCA
• Origin: China
• HS Code: 85044090
• Production Capacity: 5000/Month

Product Description

Input	Rated voltage, frequency	Three-phase AC 380V;50/60Hz Single phase AC 220 V;50/60Hz
	voltage allowed Range of change	Three-phase AC 3 80 V ~ 4 8 0V Single-phase AC 220 V ~ 2 6 0 V
Output	Voltage	0 ~ 480V _ _ 0 ~ 260V
	Frequency	Vector control: 0~500Hz V/F control: 0~5000Hz
	Overload capacity	G type machine: 150% rated current for 60s; 180% rated current for 3s. P type machine: 120% rated current for 60s; 150% rated current for 3s.
Control method		V/F control, speed sensorless vector control (SVC)
Control  characteristics	Frequency setting resolution	Analog input	Maximum frequency×0.025%
		Digital settings	0.01Hz
	V/F control	V/F curve	Three methods: linear type; multi-point type; N-th power V/F curve (1.2 power, 1.4 power, 1.6 power, 1.8 power, 2 power)

 

		V/F separation	2 ways: full separation, semi-separation
		Torque boost	Manual setting: 0.0~30.0% of rated output Automatic lifting: automatically determine the lifting torque according to the output current and combined with the motor parameters
		Automatic current limiting and pressure limiting	Whether during acceleration, deceleration or stable operation, it can automatically detect the motor stator current and voltage, and suppress it within the allowable range based on a unique algorithm to minimize the possibility of system fault tripping.
Control characteristics	Inductive vector control	Voltage frequency characteristics	Automatically adjust the output voltage-to-frequency ratio based on motor parameters and unique algorithm
		Torque characteristics	Starting torque: 150% rated torque at 3.0Hz (V/F control) 150% rated torque at 0.5Hz (vector control without speed sensor) Operating speed steady-state accuracy: ≤±0.2% rated synchronous speed Speed fluctuation: ≤±0.5% rated synchronous speed Torque response: ≤20ms (vector control without speed sensor)
		Self-determination of motor parameters	Without any restrictions, automatic parameter detection can be completed under both static and dynamic conditions of the motor to obtain the best control effect.
		Current and voltage	Full current closed-loop control, completely

 

				suppression		avoiding current impact, with complete overcurrent and overvoltage suppression functions
	Under voltage suppression during operation			Especially for users with low grid voltage and frequent fluctuations in grid voltage, even if the voltage is lower than the allowed voltage range, the system can maintain the longest possible operating time based on a unique algorithm and residual energy allocation strategy.
Typical functions	Multi-speed and swing frequency operation			16-segment programmable multi-segment speed control, multiple operating modes available. Swing frequency operation: preset frequency and center frequency are adjustable, state memory and recovery after power outage
	PID control RS485 communication			Built-in PID controller (frequency can be preset), standard configuration RS485 communication function
	Frequency setting			Analog input			DCvoltage0~10V,DCcurrent0~20mA(upper and lower limits optional)
				digital input			Operation panel setting, RS485 interface setting, UP/DOWN terminal control, and various combination settings with analog input
	output signal			digital output			2 Y terminal open collector outputs and 2 programmable relay outputs(TA,TB,TC),up to 58 meaning options
				Analog output			2 analog signal outputs, the output range can beflexiblysetbetween0~20mAor0~10V,which can realize the output of physical quantities such as set frequency and output frequency.
	Automatic voltage stabilization operation			You can choose dynamic voltage stabilization, static voltage stabilization, or unstabilized voltage according to your needs to obtain the most stable operating effect.
	Acceleration and deceleration time setting			0.0s~6500.0s can be set continuously, S-shaped and linear modes are optional
	brake	Energy consumption brake		Energy consumption braking starting voltage,hysteresis voltage and energy consumption braking rate are continuously adjustable
		DC brake		Stop DC braking starting frequency: 0.00~[F00.10] maximum frequency Braking time: 0.0~100.0s; Braking current: 0%~100% rated current
	Low noise operation			The carrier frequency is continuously adjustable from 0.5KHz to 16.0KHz to minimize motor noise.
	RPM tracking speed restart function			It can realize smooth restart and instantaneous stop restart function of the running motor.
	counter			An internal counter to facilitate system integration
	run function			Upper and lower limit frequency settings,frequency jump operation,reverse operation limit, slip frequency compensation, RS485 communication, frequency increase and decrease control, fault self-recovery operation, etc.
Display	Operation panel display		run state		Output frequency, output current, output voltage, motor speed, set frequency, module temperature, PID setting, feedback amount, analog input and output, etc.
			alarm content		There are 8 operating parameter records including output frequency, set frequency,output current,output voltage,DC voltage,module temperature, power-on time, and running time when three faults trip.
Protective function					Overcurrent, overvoltage, undervoltage, module failure, electronic thermal relay, overheating, short circuit, input and output phase loss, abnormal motor parameter tuning, internal memory failure, etc.
environment	ambient temperature				-10ºC~+40ºC (environment temperature is between 40ºC~50ºC, please derate for use)
	ambient humidity				5%~95%RH, no water droplets condensation
	surroundings				Indoor (no direct sunlight, no corrosion, flammable gas, oil mist, dust, etc.)
	altitude				Derating for use above 1000 meters, derate by 10% for every 1000 meters.
structure	Protection level				IP20
	cooling method				Air-cooled, with fan control
Installation method					Wall-mounted, cabinet type

1. Magnetic flux vector control, without self-learning, provides higher performance than ordinary V/F;

2. Aluminum alloy heat dissipation, easy disassembly of the heat dissipation fan, stable heat dissipation guarantee to adapt to complex working conditions such as dust and cotton wool;

3. Small size, saving customer installation space;

4. Standard LED keyboard with potentiometer and externally available;

5. The product design strictly follows the IEC national standard and meets the CE certification test requirements;

6. Automatic slip compensation-more accurate speed;

7. Automatic torque compensation-up to 150% when starting at 3HZ;

8. High overload capacity-150% rated torque can last for 60 seconds;

9. Ultra-low noise, the carrier frequency can be adjusted between 1-15K (depending on the model);

10. The control and protection are timely and reliable, and the system stability is high;

11. Set a variety of commonly used functions to meet application requirements:

(1) Standard Modbus communication

(2) Process PID control

(3) With 16 speed control

(4) 0~1000HZ high frequency output

(5) Multi-point V/F curve setting is possible

(6) Speed tracking function, automatically search for motor speed, and restart without stopping

(7) Single week and cycle counting function





(8) With multi-function input and output ports, and the switch value can be set to delay time

(9) It has protection functions such as over current, over voltage, under voltage, over temperature, overload, etc., and can save fault information

(10) There are multiple options for DC braking, magnetic flux braking, and resistance energy consumption braking

(11) Over-current stall, over-voltage stall, response to sudden load changes

(12) V/F curve can be adjusted according to load characteristics

(13) Pulse train I/O function

(14) Multi-speed control function

(15) Stop deceleration/restart after instantaneous power failure

(16) PID control function

(17) Communication function

(18) Main and auxiliary frequency input function

(19) One internal counter

(20) Torque detection function