electrical Calculator Scenario

Transformer Sizing for 100 kVA Load

Commercial buildings, industrial facilities, and data centers require properly sized transformers to handle connected loads.

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Key Considerations

  • 1Include 20-25% growth factor for future expansion
  • 2Consider harmonic loads (VFDs, computers)
  • 3Derating for ambient temperature above 30°C
  • 4K-rated transformers for non-linear loads

Applicable Standards

NEC 450IEEE C57.12

Scenario Parameters

load Power
85
power Factor
0.85
load Voltage
400
supply Voltage
11000
phase Config
three
expansion Factor
1.25
diversity Factor
0.8

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