Frequency Inverter (Cabinet Type), AS700 Series Manufacturer

Frequency Inverter (Cabinet Type), AS700 Series

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AS700 Series

The AS700 series of cabinet type frequency inverters is designed for use in industrial hoisting within large portal hoists, gantry cranes, shore bridges, and other cranes as well as in process control machines within the paper making, metallurgy, mining, cement, energy, chemical, petroleum and natural gas industries. These flexible AC driven inverters have a wide range of power and voltage up to 690V and a variety of programmable settings to suit different applications.The cabinet inverter is configured with an energy regenerative power supply unit which ensures a long service life and energy-efficient operation and uses vector control technology which enables quick conversion between electric and power generation modes for high performance.

Features
1.S3i - n*S3i and S4i - n*S4i control board located outside the module
2.Circuit board with coating
3.Extendible programming I/O port
4.Profibus DP communication
5.Input electric isolation
6.AC contactor at incoming line side
7.Built-in LCL filter
8.Du/dt filter (nx in outline dimension)
9.Optimal design for cabinet installation
10.Compact design
11.Cooling fan and capacitor with long service life
12.DC fuse, with the base or DC fuse switch charging circuit
13.Cabinet door/top components with IP21-IP54 protection level

Specifications

Power connection	Rang of voltage and power	3-phase U_3N: 3-phase U_5N: 3-phase U_7N:
	Input frequency
	Connection frequency	Once per min or less (normal condition)
	Power factor	CosΦ1=1 (fundamental wave) CosΦ=0.99 (all)
	Efficiency (rated power)	97% (IGBT power supply unit)
Motor connection	Voltage > 500V unit	3-phase output voltage
	Frequency	(0...100Hz using du/dt filter)
	Low-intensity magnetic point
Ambient conditions	Operating ambient temperature	-10 ℃ (frost-free)... 40℃
	Storage temperature
	Transportation temperature
	Relative humidity	5~95% RH, free of condensation, corrosion, water drip
	Cooling method	Dry, clean air
	Storage	IEC60721-3-1, Class 1C2 (chemical gas) Class 1S2 (solid particle)
	Transportation	IEC60721-3-2, Class 2C2 (chemical gas) Class 2S2 (solid particle)
	Operation	IEC60721-3-3, Class 3C1/3C2* (chemical gas) Class 3S2 (solid particle) C=chemical active substance, S=mechanical active substance, *coating circuit board
	Altitude	Max 1000m (included), 100% load (without capacity reducing) 1000...4000 and above: 1% reduced for rise of 100m
	Shock-proof performance EN50178/EN60068-2-6	Within 3...30Hz: amplitude 1mm (peak) Within 30...150Hz: max acceleration 1G
	Protection level	IP21
Conformance standard EMC (following EN1800-3 Standard)	CE, low voltage clauses 73/23/EEC, including amending clauses 93/68/EEC, mechanical clauses 98/37/EC, EMC clauses 89/336/EEC, including amending clauses 93/68/EEC, quality guarantee system ISO 9001 and environment system ISO 14001 Optional till Rx series in AS700-02 series for non-restricted sales in second environments Optional configuration with input current lower than 1000A for restricted sales in first environments

Control connection	Analog input voltage	2 Group 0... 10V (or -10V... 10V lever control), Ri=200kΩ, resolution 0.1%, accuracy±1%
	Analog input current	0(4)...20mA, Ri=250Ω differential
	Digital input	8, positive or negative logic: 18...30VDC
	Auxiliary voltage	DC24V, ±15%, max 250mA
	Output reference voltage	±10V, ±3%, max load 10mA
	Analog output	2 Group 0 (4) ... 20mA, Ri max 500Ω, resolution 10-digit, accuracy ±2%
	Relay output	Three programmable switching relay outputs Switch capacity: 24VDC/8A, 250VAC/8A, 125VDC/0,4A Min switch load: 5V/10mA
Control features	Control method	Speed control torque control function with free switch of two control methods
	Starting moment	180% 0Hz (with PG card vector control)
	Speed control range	1:1000 (with PG vector control)
	Torque control	CosΦ1=1 (fundamental wave) CosΦ=0.99 (all)
	Speed control	Static accuracy: closed-loop, 0.01% of rated speed Dynamic accuracy: closed-loop, 2...4 ms at 100% torque step
	Overloading capacity	1.8x rated output current (i.e. 180% overload) with duration 60s; 2x rated output current (i.e. 200% overload), with duration of 10s
	Carrier frequency	2-8 kHz
	Automatic torque compensation	Pre-excitation and starting torque pre-compensation
	Moment memory function	Provide about 70% of the memory moment (adjustable) before restarting to avoid slipping
	Brake logic control	Reliable band type brake logic control at zero speed, with adjustable time, which avoids large impact current of motor and prevents slipping
	Load ratio measurement	Maintain necessary torque required on the load while band type brake is released by sensor measurement through external weights
	High speed lift	With output current no larger than rated current of maximum speed of motor, the inverter is running under constant power mode, making the speed exceed the rated speed of motor