HART Communication Protocol Overview
HART is a digital signal that rides on a standard 4 mA ... 20 mA process control loop. In the field of process automation, the 4 mA ... 20 mA…
Intrinsic Safety Protection ia and ib
Difference Between ia and ib Intrinsic Safety Protection ProtectionType ia Apparatus is designed so that it is suitable for Zone 0 & it will not cause ignition when the maximum…
Displacer Level Transmitter Working Principle
The buoyancy force of the displacer is transferred via transmission lever and torque tube to operating rod of the sensor, where it acts on free end of sensor element.Four thin film metal strain…
Single Phase Induction Motors Questions and Answers
Please Name some Single-phase induction motors? (i) split-phase type (ii) capacitor type (iii) shaded-pole type Please name two types of Repulsion motors? (i) Repulsion-start induction-run motor (ii) Repulsion-induction motor What…
Three Phase Induction Motor Interview Questions & Answers
What is the Three Phase induction motor Working Principle? Like any electric motor, a 3-phase induction motor has a stator and rotor. The stator carries a 3-phase winding (called stator…
Electrical Power Distribution
Electricity distribution is the final stage in the delivery of electricity to end users. A distribution system’snetwork carries electricity from the transmission system and delivers it to consumers. Typically, the…
Electrical Machines Short Answers
1. Why almost all large size Synchronous machines are constructed with rotating field system type? The following are the principal advantages of the rotating field system type construction of Synchronous…
Basics of Electricity Rates
Electricity pricing (sometimes referred to as electricity tariff or the price of electricity) varies widely from country to country, and may vary significantly from locality to locality within a particular…
Electrical Power Transmission And Distribution
Electricity distribution is the final stage in the delivery of electricity to end users.A distribution system’s network carries electricity from the transmission system and delivers it to consumers. Typically, the network would…
Basic Power Electronics Interview Questions
What is holding current in SCR? It is the minimum current required to hold the SCR in forward conduction state. When the forward current becomes less than holding current, SCR…
