S2900 Series Frequency Inverters
1)power: 0.75-22kw 1/3pH 0-380V
2)delivery: 0 to 14days
3)ISO9001: 2000 Approved
4)MOQ: 1 set
5) 12 months warranty with CE certification
Variable Frequency Drives Variable Speed Drives Frequency Converters AC converters
Frequency Inverters AC Drivers AC Drives AC Motor Drives VFD VSD Transistorized Drives
Features:
Intelligent input terminal:
Speed shift can be present in 8th phase, the first/second acceleration and deceleration time shift, prohibition of acceleration and deceleration; External interrupt input; Inching operation; Increasing/decreasing frequency setting terminal
Intelligent output terminal:
During running, frequency arrival and output, non-zero speed, over-torque output, low-voltage detection of external interrupt indication, operating mode indication, abnormal malfunction output, and external abnormal interrupt
Built-in Function:
Upper and lower limits setting of output frequency, instantaneous restart for power failure, restart for abnormal malfunction, automatic voltage output regulation, anomaly records parameter hold, parameters reset to the factory defaults, prohibition of reversion, over-current stall prevention, over-voltage stall prevention, electronic thermal relay
Protection Function:
Protection of inverter unit phase, accelerated over-current, decelerated over current, constant-speed over-current, acceleration over-voltage, decelerated over-voltage, constant-speed over-voltage, bus under-voltage failure, motor overload, Inverter overload, open-phase at output side(75kw+models), rectification module overheating, overheating fault of inverter module, external fault, communication fault, current detection fault, motor self-learning fault, EEPROM operational fault, PID feedback disconnection fault, braking unit fault
Safety self-checking function:
Electrifying of the inverter, complete safety self-checking of software and hardware by the system
Standby display function:
There are totally 9 parameters of halt mode which can be chosen to display or not; There are totally 14 parameters of operation mode which can be chosen to display or not
V/F curve setup control /vector control function
Function of energy-saving running option:
During no-load or light-load running of motor, adjust the output voltage properly by detecting load current to achieve automatic energy saving. (This function is especially effective on the load of blower or pump )
Function of automatic fault detection and recording:
Detection function of the previous two faults' types; Recording function of the previous fault's type, voltage, current, running frequency, output/input terminal state.
Wobble frequency function: Applicable to industries such as textile and chemical fiber or occasions which need traverse or winding function
Our commitment
We promised that the goods will be delivered out within 2 weeks after received the order confirmation. We will compensate 3% of total amount if we cann't send the goods on time, but the compensation amount cannot exceed USD 100. Above compensation rule is on the basis of placing forecast order at least one months before the delivery time, otherwise we are not responsible for any lost occurred by delayer delivery.
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