Synchronous speed calculator

The “synchronous speed” is the speed of the rotating magnetic field in an electric motor. Here is a simple synchronous speed calculator. Always remember that the synchronous speed and rated speed are two different parameters. Motor synchronous speed calculator Number of poles Supply frequency hz Calculate Result Synchronous speed RPM How to use the synchronous … Read more

Motor torque calculator | Full load torque of a motor

The full load torque of a motor is the maximum torque that the motor can deliver when it is fully loaded. Here is a simple motor torque calculator that can help you calculate the full load torque of a motor. Motor torque calculator Enter the motor rated power HPkW Enter the motor rated speed RPM … Read more

Motor FLC calculator | Motor Full load current calculator

Motor FLC or full load current or full load amperes (FLA) of a motor is the maximum current the motor windings are designed to carry. Here is a simple motor FLC calculator that can help you calculate the motor full load current. Motor data input Motor Type Three PhaseSingle Phase Enter the motor rated voltage … Read more

Star-delta starter (Wye-Delta Starters) – Circuit, working

Induction motors are robust and reliable and are used in all industries across the globe. Various methods are followed to start induction motors, out of which star-delta starters are the most commonly used ones to reduce the starting current. Star-delta starters are cheaper than soft-starters and are widely seen in small-scale industries. Typically, star-delta starters … Read more

Star-Delta starter design tool | Wye-Delta starter design tool

Star-delta starters are widely used for starting three-phase induction motors. It can reduce current inrush to 1/3 of direct-on-line starting current. Here is an advanced Star-Delta starter design tool that will help you select the optimum current rating of contactors, fuses, and circuit breakers (MCB, MCCB) for a star-delta starter circuit. Online star-delta starter design … Read more

Direct-on-line starter | DOL starter selection tool

The direct-on-line starter is the cheapest motor starting method. In this method, full voltage is applied to the motor terminals. Here a comprehensive DOL starter selection tool, which can help you calculate the appropriate rating of the contactor, fuse, circuit breaker, and overload relay used in a DOL starter circuit. Motor data input Motor Type … Read more

What is meant by plugging a motor?

Induction motors are one of the major power-consuming loads on the planet today and are widely used for all industrial and domestic applications. Plugging is one of the braking techniques performed in induction motors. Dynamic braking and regenerative braking are the other two braking methods. What is meant by plugging an induction motor? Plugging is … Read more

Commissioning procedure for VFD (Variable Frequency Drive)

Commissioning of variable speed drive is the process of checking, inspecting, testing, and configuring the equipment at the project site so that it shall fulfill the technical and functional requirements of the customer. This makes the equipment ready for safe operation. This article explains the Commissioning procedure for VFD. Why is commissioning of variable frequency … Read more