Transformer kVA for a load with a stated margin, next common standard size, and ...
https://electrical-calc.x402tookit.com/transformer-sizingOverview
Transformer kVA for a load with a stated margin, next common standard size, and primary and secondary full-load current.
Protocol
x402
Price
$0.02
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Electrical Calculators
Source
bazaar
Indexed
2026-11-01 23:11:57
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
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Asset Verified
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Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"loadKw": 80,
"marginPct": 25,
"phase": "three",
"powerFactor": 0.8,
"primaryVoltageV": 480,
"secondaryVoltageV": 208
},
"type": "http"
}
Output Schema
{
"example": {
"asOf": "2026-10-21T06:22:29.239Z",
"commonSizesKva": [
15,
30
],
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"loadKva": 100,
"notChecked": [
"inrush current and overcurrent protection sizing",
"harmonic (K-factor) loads, temperature and altitude derating",
"…2 more"
],
"phase": "three",
"primaryFullLoadCurrentA": 180.422,
"reasons": [
"Required kVA = 80 / 0.8 x (1 + 25/100) = 125.",
"Common three-phase sizes: 15, 30, 45, 75, 112.5, 150, 225, 300, 500, 750, 1000, 1500, 2000, 2500, 3750, 5000 kVA (typical values, not an exhaustive standard).",
"…1 more"
],
"requiredKva": 125,
"secondaryCurrentAtLoadA": 277.5722,
"secondaryCurrentAtRequiredKvaA": 346.9653,
"secondaryFullLoadCurrentA": 416.3584,
"selectedStandardKva": 150,
"source": "computed locally (kVA = kW / PF x (1 + margin); I = kVA x 1000 / (V or sqrt(3) V))",
"spareAtSelectedPct": 50,
"summary": "80 kW at PF 0.8 is 100 kVA; with 25% margin 125 kVA, so choose the next common size, 150 kVA.",
"turnsRatio": 2.307692,
"verdict": "SIZE_FOUND"
},
"type": "json"
}