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An inverter is an electrical device which converts DC voltag...See More
An inverter is an electrical device which converts DC voltage, almost always from batteries, into standard household AC voltage so that it is able to be used by common appliances. In short, an inverter converts direct current into alternating current.
Direct current is used in many of the small electrical equipment such as solar power systems, since solar cells is only able to produce DC.
They are also used in places where a small amount of voltage is to be used or produced such as power batteries which produce only DC. Other than these fuel cells and other power sources also produce DC.
WE ARE SALES AND SERVICE INDUSTRIAL AUTOMATION PRODUCT SUCH ...See More
WE ARE SALES AND SERVICE INDUSTRIAL AUTOMATION PRODUCT SUCH AS SIEMENS; MITSUBISHI; OMRON; DELTA; BECKHOFF; WAGO; FUJI ELECTRIC; PANASONIC; SCHNEIDER; ALLEN BRADLEY ALSO MANY MORE BRANDS. MOSTLY, SALES IS INVERTER-VFD, PLC, HMI, SENSOR, I/O MODULE, CONTROL CARD AND SERVO MOTOR & DRIVES ETC.
Variable Frequency Drive, shortly called as VFD is a widespread device in industrial purpose. The device may also be called as Inverter, VSD, Motor Drive, AFD or AC Drive. The main purpose of the device is to control of AC induction motors. It controls the speed of motor by generating variable electrical frequency and voltage. Furthermore, it helps in the starting of the motor by taking care of the starting current.
The main working principal of VDF depends of two important steps. Normally the VFDs are AC-AC type. That means, it converts the input AC power of fixed frequency to a AC power to variable AC power. It achieves this by converting the input AC power to DC power. This step is known as Rectification. Then this DC power is converted to AC power again with the help of inverter circuit. The inverter circuit can produce the AC power as per the duty cycle of the SCRs thus can produce any frequency as programmed
In Bangladeshi industrial sector, a lot of suppliers work in the field of VFD. They supply different brands and different rating of inverters. More often small rating inverters are kept in the ready stock by large capacity one may need to import as required.