Invt CHF100A 1.5kw~630kw Low Voltage AC Drive

Prod Model:	CHF100A
Application:	General Transducer
Output Type:	Triple
Principle Of Work:	V/F Control Transducer
Switch Mode:	PWM Control
Main Circuit Type:	Voltage
Brand:	Invt

Product Description

    CHF100A series high performance universal inverter is the enhanced edition of CHF series, which is combined the advantage of CHF100 & CHE100. It adopts the DSP control system supplies sensorless vector control and V/f control. The performance is more perfect and stable. It is widely applied in Pump & Fan and some applications with high speed control accuracy, rapid torque response and high performance at low frequency.
 
Features
1.Three control modes:
  a. without PG vector (SVC);
  b. V/F control;
  c. Torque control.
2.Starting torque: without PG vector control: 0.5Hz/150% (SVC);
3.18.5kW-90kW inverter built-in DC reactor to improve input power factor and increaseoverall efficiency and stability;
4.Internal brake unit with every specification 0.75-15kW, so that the braking resister can be connected directlyfor a quick stop;
5.16-steps simple PLC, multi-speed control, and PID control;
6.Supporting multi-frequency installation methods: digital setup, analog quantity setup, PID setup, and communication setup;
7.Supports starting and stopping DC brake;
8.The input and output terminals may be freely programmed, so users may combine a variety of operating modes as needed;
9.Equipped with jump frequency control which prevents mechanical resonance and makes the system more stable and reliable;
10.Equipped with instantaneous power failure non-outage capability;
11.Equipped with sleep-wake delay installation capability;
12.Equipped with over-torque detection;
13.Variety of maximum frequency setting source options;
14.Equipped with a bidirectional shift key , which enables users to use the shift key to view real-time parameters;
15.Rotation speed tracking re-start function: allowing rotating machinery to be started smoothly and without any shocks;
16.QUICK/JOG function: users can freely define multi-functional shortcut keys, and by setting up these parameters users can quickly browse different function codes of modified which are different from default values;
17.Equipped with automatic voltage adjustment function, which can effectively resolve problems with high-power motors low-frequency vibrations;
18.Equipped with vibration suppression;
19.Offering a variety of fault protection functions: over-current, over-voltage, under-voltage, over-temperature, phase-failure, overload, etc.
 
Specifications

I/O Features	Input Voltage Range	380/220V±15%
	Input Frequency Range	47~63Hz
	Output Voltage Range	0~rated input voltage
	Output Frequency Range	0~400Hz
I/O Terminals	Input Terminals	Programmable DI:7,1high speed pulse; Programmable AI:2,AI1:-10V~10V;AI2:0~10V or 0~20mA.
	Output Terminals	Programmable open collector output:1(open collector or high speed pulse output selectable); Programmable relay output:2; Programmable AI:2,0/4~20mA or 0~10V selectable.
	Communication Terminals	Provide RS485 communication interface,adopt Modbus-RTU communication mide.
Control Function	Control Mode	V/F control, sensorless vector control(SVC)
	Speed Adjusting Range	1:100(SVC)
	Overload Capacity	150% rated current 60s, 180% rated current 10s.
	Frequency Reference Source	Keypad, analog input, HDI, serial communication, multi-step speed, simple PLC and PID. The combination of multi-modes and the switch between different modes can be realized.
	Other Functions	1)      Traverse Control Function 2)      PID Control Function 3)      Simple PLC, Multi-Steps Speed Control Function: 16 steps speed can be set. 4)      None-Stop when instantaneous power off. 5)      Speed Trace Function: Smoothly start the running motor. 6)      Automatic Voltage Regulation Function(AVR) 7)      Up to 23 fault protections: over current, over voltage, over temperature, phase failure, overload etc.
Man-machine Interface	LED Display	Can display: setting frequency, output frequency, output voltage, output current etc,
	Multi-function Key-press	The QUICK/JOG key-press can be used as multi-function key-press.
EMC	EMC Criterion	If the installing and wiring of the inverter together with the following criterion: 1)      EN61000-6-4 2)      EN61800-3 [Normally, if the cable of motor is longer than 50m, it's should install AC reactor or sinusoidal filter at the output side of the inverter.]
Environmental Constraint	Temperature	-10°C~+40°C. Inverter will be derated if ambient temperature exceeds 40°C.
	Humidity	≤90%, without condensation
	Altitude	≤1000M, output rated power
		>1000M, output power with derating
	Impingement and Oscillation	The inverter is prohibited to drop on the floor or with suddenly impact, it also prohibited to be installed at the place where the oscillation may occur very probably.
	Electromagnetic and Radiation	The inverter is prohibited to be installed at the place where stronger electromagnetic radiation may occur very probably.
	Store Environment	The inverter is prohibited to be stored at the place where with direct sunlight, fall of oil mist, steam and with heavy oscillation.

 
Applications
Belt-type conveyors, hoists, winches, emulsion pumps, electric submersible pumps, mining fans, water pumps, etc.
 
Solution
 
CHF100A series inverter used on the centre air conditioner
 


The difference of effluent temperature and backwater temperature of the water-cycling system in the central air-conditioning indicates the heat exchanger of the whole system needed, so,we can control the low of water-cycling to control the heat exchange speed based on the difference, it is the first choice control mode for energy saving.