Math & Numbers
Calculate active, reactive, and apparent power for a balanced three-phase system: S=√3·U·I, P=√3·U·I·cosφ, Q=√3·U·I·sinφ. Also returns the power-factor angle φ and verifies the power triangle.
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/three-phase-power-calculator' \
-H 'Content-Type: application/json' \
-d '{"U":400,"I":15,"cosphi":0.85,"decimalPlaces":4}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/three-phase-power-calculator| Name | Type | Required | Description |
|---|---|---|---|
| U | number | Yes | Line-to-line RMS voltage. |
| I | number | Yes | Line RMS current per phase. |
| cosphi | number | Yes | Power factor (0 < cosφ ≤ 1). Lagging by convention. |
| decimalPlaces | number | No | — |
JSON result
{
"key": {...},
"metadata": {
"key": "value"
},
"error": "Error message (optional)",
"message": "Notification message (optional)"
}Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-three-phase-power-calculator": {
"name": "three-phase-power-calculator",
"description": "Calculate active, reactive, and apparent power for a balanced three-phase system: S=√3·U·I, P=√3·U·I·cosφ, Q=√3·U·I·sinφ. Also returns the power-factor angle φ and verifies the power triangle.",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=three-phase-power-calculator",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "three-phase-power-calculator",
"arguments": {
"U": 400,
"I": 15,
"cosphi": 0.85,
"decimalPlaces": 4
}
}
}Questions or issues? Contact [email protected]