Inductive Load Examples, Properties, Power Consumption


In the previous article, we have discussed about Resistive Load. Now, in this article, we are going to discuss about the Inductive Load. We will know the Inductive load examples, Properties, and the power consumption by the inductive load. There are three types of electrical load according to nature - 1. Resistive Load 2. Inductive Load 3. Capacitive Load. Inductive loads are the most power-consuming load among those in the whole field of electrical engineering.

Inductive Load Examples, Properties, Power Consumption

What is Inductive Load?


In simple word, the electrical load, which consume electrical power to produce inductance or electromagnetism is called Inductive Load. It can be called a simple definition of inductive load. An inductive load mainly converts the electrical energy to magnetic energy further which is used as mechanical energy such as electric motors. Inductive load shows the inductance effect which depends upon the type of applied power supply, it does not depend upon the physical characteristics like a resistive load. Remember that, the practically pure inductive load is not available because any magnetic coil has a resistance due to its physical structure and the material it is made of.



Inductive Load Examples


There are so many examples of inductive load such as,
  • Electric Motor(commonly known inductive load)
  • Relay
  • Solenoid
  • Washing Machine
  • Electric Fans
  • Inductor
  • Any load having magnetic coils

Inductive Load Properties and Characteristics


1. An ideal inductive load has zero resistance although practically not possible.

2. Inductive load consumes both active and reactive power.

3. Current consumed by an inductive load always lags behind the applied voltage across the load.

4. A pure inductive load causes the power factor zero lagging, but as there is no pure inductive load so an inductive load causes a lagging power factor.

5. An inductive load does not show the same effect for AC and DC, in fact, there is no inductance exists for DC.

6. Inductive load can store electrical energy in the form of a magnetic field and it can reverse back the energy to the circuit or to the source.

7. A pure inductive load does not dissipate or waste electrical energy.

8. A pure inductive load has zero internal resistance, and it converts electrical energy into magnetic energy.

9. Inductive loads are may variable such as electric motor, which consume different current for different load variations.



Power Consumption by Inductive Load


An inductive load consumes both active and reactive power. Active power is required to calculate how much actual useful power and energy consumed by the inductive load.

The active power formula for the inductive load is P = VIcosΦ, where P= power, V= voltage, I = current, and cosΦ = power factor


The reactive power is required to calculate to know how much useless power is consumed by an inductive load. Remember that, useless power does not mean that the power is wasting, the useless power implies that how much power an inductive load consuming to store in form of the magnetic field not use to do any useful work.

The reactive power formula for the inductive load is, Q = VIsinΦ



Inductive Load Applications


1. The inductive load such as the electric motor which converts electrical energy into mechanical energy is used for a variety of applications like water pumping, fans, mixers, cranes, etc.

2. Another example of inductive load, the solenoid is used as an actuator.

3. The inductive load, the electromagnet is used for lifting, sensing, actuating, etc.



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Inductive Load Examples, Properties, Power Consumption Inductive Load Examples, Properties, Power Consumption Reviewed by Author on 2/08/2021 Rating: 5
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