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AS700 High Power Multi Drives

Power range: 400V, 250-2800kW; 690V, 315-3000kW
AS700 High Power Multi Drives is designed and developed for industrial applications of DC multi-drive inverter, mainly used in lifting industry, such as large gantry crane, quayside bridge, bulk crane. Also used in paper, metallurgy, mining, cement, energy, petrochemical and natural gas industries. The product adopts advanced vector control technology and torque control technology, combined with the crane industry application characteristics, strengthened the reliability of the product and the adaptability of the environment as well as the customer design, can better meet the needs of a variety of transmission applications.

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· Multi-drive, big power

· Work for both two quadrant and four quadrant operation

· Used for large lifting, steel rolling and mining belt equipment

Can offer two modes including SCR rectifier and AFE active rectifier according to the user demand.

AS700 High Power Multi Drive

AFE

· A bidirectional (returnable) rectifier in a common dc bus system；

· Composed of power unit +LCL filter；

· AFE need additional pre-charge circuit；

· AFE can be parallel to each other, and no special connector is required；

· Suitable for applications requiring low harmonic and energy feedback

SCR

· Unidirectional (electrically directed) rectifying device in a common dc bus system；

· The input side is equipped with a special reactor and the support units are in parallel；

· SCR rectifier units do not require an external charging circuit；

· The SCR rectifier unit can charge the dc bus, which is suitable for the occasions where there is no higher requirement for harmonic quantity and no energy feedback

Inverter drive power unit

· Two-way dc power supply inverter, used for motor power supply and drive；

· Modular design more convenient, diversified installation；

· Adopt super long life cooling fan and capacitor design；

· Thickened coated circuit board design；

· Drive control optical fiber communication, improve the anti-interference ability of the system；

· Multiple cell parallel connections are supported.

Reduce current harmonics

AS700 High Power Multi Drive

Stationary dc bus

AS700 High Power Multi Drive

Reduce reactive power

AS700 High Power Multi Drive

Flow sharing control technique

By flow sharing control, there is no need for strict matching of hardware between multiple units, only an algorithm is added on the control to make the flow sharing between units, and the effect is excellent.

Rectifier module

Power Input	Voltage and power range	3 phaseU4N: 380～500VAC [-10%...+10%] 3 phase U6N: 520～690VAC [-10%...+10%]
Power Input	Input frequency	45～65Hz
Control Feature	Control mode	Vector control
	THDi（under rated current）	<4%（Harmonic meet IEEEE519 requirements ）
	Power factor	Over 0.95（under rated current）
	Overload ability	150% 1min
	Carrier frequency	2～4k（Hz）
	Efficiency(under rated current)	>97%

Inverter module

Power Input	Input Voltage	U4N：DC power：450～800Vdc U6N：DC power：740～1200Vdc
Power Output	Output Voltage	0VAC～Un
	Output frequency	V/F control：0.00～300.00Hz Vector control：0.00～120.00Hz
	Overload ability	Run at 40℃,heavy load 150%，1min, light load 120%，1min
	Efficiency (Full load)	≥0.97
Control Feature	Control mode	V/F control	Open loop vector control	Close loop
	Starting Torque	2.50Hz 150%	0.5Hz 200%	0.00Hz 200%
	Speed range	1:50	1:200	1:1000
	Steady speed precision	± 2%	± 0.2%	± 0.02%
	Torque precision	±5%(Close loop control)
	4/5000 Carrier frequency	2～4kHz；The carrier frequency can be automatically adjusted according to the load characteristics
	frequency set Resolution	0.01Hz（Digital command） ±0.06Hz/120Hz（Analog command 11bit +unsigned）
	Running command channel	Operation panel given, control terminal given, communication given
	Frequency given channel	Operation panel given, digital/analog given, communication given, function given
	Torque increase	Automatic torque lift, manual torque lift
	V/F Curve	User - defined V/F curve, linear V/F curve and 3 kinds of reduced torque characteristic curves
	Automatic voltage regulation	The duty cycle of output PWM signal is automatically adjusted according to the bus voltage fluctuation, so as to reduce the influence of the network voltage fluctuation on the output voltage fluctuation
	Instantaneous power loss processing	Instantaneous power loss, through bus voltage control, uninterrupted operation
	Dc braking capacity	Braking current：0.0～120.0％ rated current
Features	Parameters copy	Standard operation panel can achieve parameters upload, download, there is a copy of progress instructions
	Process PID	Can be used for closed-loop control of process quantities
	Torque control function	Torque/speed control can be switched through the terminal, a variety of torque given way
	Zero servo and position control function	Zero speed position locking, precise positioning and position control can be achieved
Motor Protection	Rotor blocked
	Motor overload
	Speed limit
	Torque limit
	Output current limit
	Inverter onverload
	IGBT I 2t protection
	Input power undervoltage/overvoltage
	Dc bus undervoltage/overvoltage
	IGBT overheat
	Cooling fan overheat
	Power failure
	Loss of analog input signal (loss of speed reference value)
	Abnormal communication
	Encoder connection failure
	Self tuning fault

Environment and standard requirements

Environmental conditions	Use place	Installed vertically in a well ventilated electric control cabinet; Horizontal or other installation method flat or other installation method is not allowed. Installed in the direct sunlight, no dust, no corrosive gas, no flammable gas, no oil mist, no steam, no dripping environment. The cooling medium is air.
	Operating environment requirement	-10℃(No freezing)-+40℃
	Temperature drop using	>40℃，Every increase 1℃，rated output current reduce 2%, max 50℃
	Storage temperature	-40℃-+70℃
	Transportation temperature	-40℃-+70℃
	Relative humidity	5~95%RH,No condensation, no corrosion, no dripping
	Storage	IEC60721-3-1 Class 1C2（Chemical gas）Class 1S2（Solid particles）
	Transportation	IEC60721-3-2 Class 2C2（Chemical gas）Class 2S2（Solid particles）
	Operation	IEC60721-3-3 Class 3C1/3C2（Chemical gas）Class 3S2（Solid particles） C=Chemically active substance，S=Mechanically active material，Coated circuit board
	The altitude	1000m
	Height drop using	>1000m，Every increase 100m，rated output current reduce 1％（max 3000m）
	Anti-shock performance	3.5m/s2，2~9Hz；10m/s2,9~120Hz；
	Protection grade	IP20
Others	Cooling way	Forced air cooling
	Installation way	Inside cabinet installation
	Protective coating	Control panel, I/O panel, and other optional reinforced protective coating
Product standards	C E LV terms 73/23/EEC subject to amendment 93/68/EEC Mechanical terms 98/37/EC EMC terms 89/336/EEC subject to amendment93/68/EEC Quality assurance system ISO 9001 and Environment system ISO 14001