Pioneer India

Types of Load Banks and their Differences

Everyone knows the Diesel generators are often kept for emergencies purpose. Power shortage or Power cut is very natural during production hours and also unexpected. In an industry having a backup generator, it’s really like peace of mind to you but when a backup diesel generator doesn’t work?

It can affect production. When a backup diesel generator fails to perform during Disaster and emergency times 

The second option is load bank. Load banks testing must be a part of the industry.

Generator load banks testing is to assure the backup of power remains stable and gives maximum production.

Load banks testing leads to a process to assess a generator’s capacities.

All types of generator parts must be tested in load banks. So make sure the generator can run your services at the full kilowatt ratings.

  • The load bank Test on any generator and does not run at more than 30% of its rated KW load.
  • The moto of load bank testing is to make sure the generator maintains the perfect pressure levels and temperature and mainly Hp is needed for operation.

What are the types of load banks?

There are four types of load banks.

  • Resistive 
  • Reactive
  • Resistive & Reactive Combined

 It’s all about depending on the plan. Whether buying a load bank or renting a load bank depends upon circumstances.

Experts in this said that renting is essential on apart from that choosing the right type of load bank is the matter.

1. Resistive

Resistive

Resistive load banks are most commonly used in mining and big industry. The resistive load bank allows and tests a generator at 100% capacity.

This process is a sincere process for measuring loads. Electrical energy is converted to heat therefore resistors.

The heat evaporates air and water. This type has a mover capacity

kW, mover controls, and moving response Hz. It has inadequate testing capabilities of alternator capability kVAR, alternator control,load-sharing controls.

Resistive load banks and their portability 

  • DC portable
  • AC small portable
  • AC large portable
  • AC trailer mounted
  • AC radiator colled 
  • AC water-cooled

Resistive load banks may be used for generator capacity less than 200kVA and also depends upon the UPS system.

2. Reactive

Reactive

Reactive load bank test load with inductor or capacitor in the loads. This process converts electrical energy into a magnetic field.

Inductive loads are most common than capacitive load banks. 

It can test only up to 75% of full power testing.

Reactive is suitable for testing motor-driven devices and transformers.

3. Combined Resistive/Reactive

Combined resistive and reactive

Combined resistive/reactive load banks use the features found in resistive load banks as per features the latter is inadequate to measure.

Resistive/reactive load banks can test:

  • Prime mover capacity (kW)
  • Prime mover controls
  • Alternator capacity (kVAR)
  • Alternator controls
  • Load-sharing controls (kW and kVAR)
  • Distribution bus
  • Transient response (Hz)
  • Transient response (voltage).

Restive /Reactive load banks are used for :

Generators with a capacity greater than 200kVA and with a capacity from 1MVA mainly Single and Multiple units.

These are types of load banks at the end you have to acknowledge some info about load bank testing in case you want to rent a load bank for your generator ask experts.

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