Frequency Inverter Single-phase 200V class 0.75KW MINI Series

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Technical specifications

Table 2.3: Technical Parameters of QD200 Series Frequency Inverters

ITEM		SPECIFICATIONS
Main Input	Rated voltage and frequency	Single-phase 200V class: 200V-240V,50Hz/60Hz
	Rated voltage and frequency	3-phase 400V class: 380V-480V , 50Hz/60Hz
	Allowable value of change	Voltage: 380V-15% ~ 480V+10%; Frequency: ±15%
Main output	Output voltage	Maximum output voltage equals to input voltage
	Output frequency	0.5 Hz to 400 Hz
	Overload capacity	150% of rated output current for 60s, 200% of rated output current for 2s
Control performance	Modulation mode	3-phase PWM, 2-phase PWM
	Control mode	V/f control for constant torque, V/f control for quadratic load, vector control without PG (open loop control),Energy-saving
	Setting method of run command	Outer terminal, keyboard panel or serial communication
	Setting method of speed command	Analog setting, keyboard, serial communication, UP/DOWN speed setting from external terminal
	Speed setting resolution	Keyboard: 0.1 Hz
	Speed setting resolution	Analog setting: 0.05/50Hz (10bit)
	Speed control precision	V/f control:±2%
	Speed control precision	vector control without PG (open loop control): ±0.2%
	Speed control range	V/f control 1:40
	Speed control range	vector control without PG (open loop control) 1:200
	Acceleration and Deceleration Time	0-3200.0s
	switching frequency	1.5 kHz ~ 12 kHz, according to junction temperature automatically reduce the switching frequency
Analog input	Number	2 ways: AI1、AI2
	Type	DC voltage or DC current
	Maximum input range	AI1: 0 to 5VDC, 0 to 10VDC, 0/4 to 20mA DC receivable AI2: 0 to 10VDC or PTC probe input receivable
Analog output	Number	1 way: AO1
	Type	DC voltage or DC current
	Maximum input range	Voltage output: 0 to 10V, Current output: 0/4 to 20mA
logic input	Number	0.75kw-11kW:LI1,LI2,LI3,LI4,AI1,AI2 15kW-500kW:LI,LI2,LI3,LI4,LI5,LI6,LI7,LI8,AI1,AI2 note:2 virtual logic input, capable of configuring AI1 and AI2 into logic input port (positive logic or negative logic)
	Type	Source or Sink
	Maximum input range	0-24VDC

ITEM		SPECIFICATIONS
logic output	Number	0.75kW-11kW: pulse signal output （LO-CLO）、relay output 1（T1A、T1B、T1C） 15kW-500kW:pulse signal output（LO-CLO）、relay output 1、2（T1A-T1B-T1C、T2A-T2B-T2C）
	pulse signal output	OC,output frequency、current output、ect other function
	relay output	RA-RB-RC, including a NO contact and a NC contact Maximum switch capacity: T1A,T1B: 3A at 250VAC, or 4A at 30VDC T2A,T2B: 2A at 250VAC or 30VDC
Serial communication interface		RS485 interface supports Modbus protocol.
Display	4-digit LED digital display	For display of frequency setting, output frequency, fault code and parameter setting etc.
Environment	Standard	Development of VSC200 series frequency inverters follows strict international standards and relevant recommended IEC and EN standards for control devices, especially IEC/EN61800-5-1 and IEC/EN61800-3.
	Altitude	Derating unnecessary when altitude is 1000m or below (Derating necessary at altitude higher than 1000m)
	Ambient environment	0.75kW-11kW: Reliable operation at -10 ~ 50°C without derating. When top protective cover is taken off, the environment temperature can be as high as +50 °C. Above +50 °C, the current drops by 2.2% for each rise of 1 °C in temperature. 15kW-500kW: Reliable operation at -10 ~ 40°C without derating. Storage: -25 ~ 70°C
	Humidity	No condensed water or drip at 5 ~ 95%, In accordance with IEC60068-2-3
	Impact strength	15gn for continuous 11ms, In accordance with IEC/EN60068-2-27
	Maximum antipollution capacity	Class 2, in accordance with IEC/EN61800-5-1
Structure	Protection level	Top: IP41 (without removing the protective top cover). Other parts: IP20
Structure	Cooling Method	Forced Air cooling
Installation method		Wall mounted

Q: 3.7KW inverter with 2.2KW 6-pole motor running to see the inverter shows the current is more than 4A, with the amount of clamp to 2.8A: 2, upstairs brothers to answer the correct, the basic frequency is the following constant speed torque control, load changes little, the current change is not large.

Q: What parts of the inverter composition: Frequency control technology is an important development direction of modern power transmission technology, with the development of power electronics technology, AC frequency conversion technology from theory to practice gradually mature. Inverter not only smooth speed, large range, high efficiency, start current is small, smooth operation, and energy saving effect is obvious. Therefore, the exchange frequency control has gradually replaced the traditional traditional slip speed, variable speed control, DC speed control system, more and more widely used in metallurgy, textile, printing and dyeing, smoke machine production lines and buildings, Water supply and other fields. However, due to the environment, the use of life and man-made operation and other factors, affecting the life of the inverter greatly reduced, while the use of a variety of failures have occurred. Here we are on the composition of the inverter and common problems and countermeasures and we discuss. Generally divided into rectifier circuit, flat wave circuit, control circuit, inverter circuit, and so on several major parts.

Q: Notebook power adapter on how to look at power: then the same formula can be used to calculate: power (unit: W) = voltage (unit: V) × current (unit: A). For example: the power adapter only identifies the output voltage is 20V, the output current is 4.5A, then we set a formula to know the output power is 20 × 4.5 = 90W.

Q: I have a 11KW-4 pole inverter, now with the 4KW-4 pole motor, what impact?: The inverter burns should be. Your motor overload is relatively large,

Q: What is the single axis of the inverter and multi-axis applications: Inverter is mainly used for AC motor (asynchronous motor or synchronous motor) speed adjustment, is recognized as the AC motor the best and most promising speed control program, in addition to excellent speed performance, the inverter is also significant Energy-saving effect, is the enterprise technological transformation and product upgrading of the ideal speed control device. Since the introduction of China since the 80s of last century, the frequency converter as energy-saving applications and speed of process control more and more important automation equipment, has been rapid development and wide application.

Q: Abb inverter s510 with water circulation pump why the motor fever. The motor is 2 pole: Whether the motor is abnormal roar, if any, you can adjust the inverter parameters in the motor carrier frequency

Q: How does the variable frequency motor output torque at very low frequencies?: 1, to improve the slip of the inverter compensation coefficient 2, to improve the continuous lifting coefficient of the inverter, but the coefficient is too high there will be overcurrent. 3, with no sensor vector control can increase the motor output torque or encoder with the vector control can make the motor at low frequency to achieve the rated output torque.

Q: What is the difference between AC and DC frequency converters?: Inverter air conditioner is relatively speaking in terms of ordinary air conditioning, ordinary air conditioning compression motor using AC induction motor, speed unchanged, 50HZ when the speed is about 2880r / min. The inverter air conditioner is the first 220V, 50HZ single-phase AC into three-phase inverter AC (25 ~ 118HZ, 56 ~ 160), the supply of compressors, through the frequency changes to adjust the compressor speed, so that continuous cooling capacity to adapt to air conditioning Load needs. L inverter air conditioner works: inverter air conditioner compressor by the variable frequency motor drag, the power inverter output frequency changes in the alternating current to the motor, so that the motor speed can be based on the needs of indoor cooling and continuous change, the final compressor cooling capacity To achieve continuous changes in the automatic control. In order to meet the continuous changes in the cooling capacity, the refrigeration system uses an electronic expansion valve, the pulse motor switch valve core, rapid control into the evaporator refrigerant flow. Power frequency changes from the inverter to achieve, as shown in Figure 1: 220V, 50HZ of the mains input, the frequency converter A / D AC / DC conversion, D / A inverter, the output frequency required by the three-phase alternating current, Room switching power supply principle is similar.

Q: The motor is 2 pole with the inverter frequency to 50hz why the speed is only 1500 rpm: The speed displayed on the display may be the speed of the deceleration or transmission. It is also possible that your inverter parameter ratio is not set, you need to modify and adjust, you want to help.

Q: 380V 2 pole motor can use the inverter?: At the same time, the paint is thick, the best 2 times dipping Wiring with the end of the enameled wire end of the time, to use insulating materials separated better, more insurance

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