How is MVA power calculated?

How is MVA power calculated?

MVA rating calculation formula: MVA (Mega Volt-Amp) rating of the transformer S(MVA) is equal to the product of primary current I(Primary) in amps and Primary Voltage V(primary) in volts divided by 1000000.

What is transformer MVA rating?

The MVA rating of transformer is determined by its total deliverable apparent power, wherein it is equal to the product of primary current and primary voltage. A transformer’s rating is expressed in megavolt amperes (MVA) if it is divided by 1,000,000.

How much does a power transformer weigh?

Although the costs and pricing vary by manufacturer and by size, an LPT can cost millions of dollars and weigh between approximately 100 and 400 tons (or between 200,000 and 800,000 pounds).

How do you calculate transformers?

Since you know kVA = V * l / 1,000, we can solve for V to get V = kVA * 1,000 / l. So you’ll multiply your kVA rating by 1,000 and then divide by the amperage. If your transformer has a kVA rating of 75 and your amperage is 312.5, you’ll plug those numbers into the equation — 75 * 1,000 / 312.5 = 240 volts.

How do you convert MVA to kW?

Quick conversion MVA to KW

  1. 1 megavolt ampere MVA = 1000 kilowatts KW (1*1000)
  2. 10 megavolts ampere MVA = 10000 kilowatts KW (10*1000)
  3. 20 megavolts ampere MVA = 20000 kilowatts KW (20*1000)
  4. 30 megavolts ampere MVA = 30000 kilowatts KW (30*1000)
  5. 40 megavolts ampere MVA = 40000 kilowatts KW (40*1000)

What is the meaning of a 20 MVA transformer?

MW is the power factor that is considered during manufacturing. So, to find out or search the power that is able to provide the transformer will multiply the power factor with the rating. This means that the 20 MVA transformer is able to supply a power of 16 MW (if taken 0.8 as the power factor.)

How do you calculate the weight of a transformer?

Calculating Weight The transformer’s capacity in kilovolt amperes (kVA) multiplied by the basic impulse insulation level (BIL) gives the transformer’s weight estimation. Both known values are readily available for each transformer, making the calculation universal for all units.

How much does a 10 kVA transformer weight?


Enclosure Code 13B
Width 9.75 in (247.65 mm)
Depth 11.75 in (298.45 mm)
enclosure mounting Wall mounted
Net Weight 165 lb(US) (74.84 kg) 164.99 lb(US) (74.84 kg)

How do you size a power transformer?

To determine the required transformer VA, multiply the secondary voltage by the required amperes: For example, VA=Volts x Amperes or 28V x 1.2 amperes = 33.6 VA. To determine the maximum transformer current, divide the transformer VA by transformer secondary voltage.

What is MVA in power system?

MVA means megavolt-amperes. The capacity of larger transformers is normally measured in terms of megavolt-amperes, where one MVA is one million volt-amperes.

How many watts is a MVA?

1 megavolt ampere has 1000000 watts.

What does MVA mean in power?

Mega Volt Ampere
MVA means Mega Volt Ampere, the unit of power.

What is the difference between MVA and kVA?

You can also use metric prefixes such as “kilo-” and “mega-.” It takes 1,000 volt amperes to equal one kilo-volt ampere and 1,000,000 volt amperes to equal one mega-volt ampere. Therefore, it takes 1,000 kilo-volt amperes to get one mega-volt ampere. Divide the number of kVA by 1,000 to convert to MVA.

How do you convert MVA to KW?

What is the weight of 100 kVA transformer?

Product Specification

Power Rating 100 kVA
Cooling Type ONAN
Winding Material Aluminium
Operating Temperature 45 deg C
Total Weight 734 Kg

How much does a 250 kVA transformer weight?

1400 KG
Fill the quantity to get latest price! We are an accomplished organization which has gained name and fame in providing 250 KVA Power Distribution Transformer to the customers….Product Specification.

Brand Surya
Weight 1400 KG
Winding Material Aluminium /Copper
Phase Three Phase

How much does a 167 kVA transformer weight?


kVA Height Inches (mm) Weight Lbs. (kg)
167 58 (1473) 1475 (670)
250 66 (1676) 1820 (826)
333 62 (1575) 2040 (926)
500 66 (1677) 2850 (1294)

How do you calculate kW power?

We find the power in kilowatts P(kW) by dividing the power in watts P(W) by 1,000. Here’s the Formula for Converting Watts Into Kilowatts: P(kW) = P(W) / 1,000.

  • October 8, 2022