Electrical Demand Load Calculator
Actual connected load vector×independently applicable coincident demand fractions sum, not derive diversity from independent peaks or select electrical code factors. Actual independently established compatible SI units/model context; conditional arithmetic, not code compliance, engineering design or safe operation approval.
Description
A coincident electrical-demand ledger combines connected powers with independently applicable demand fractions.
A coincident electrical-demand ledger combines connected powers with independently applicable demand fractions.1
This tool sums the supplied contributions without selecting code factors or deriving coincidence from independent peaks.
When to use Electrical Demand Load Calculator
Use this tool to sum the supplied contributions without selecting code factors or deriving coincidence from independent peaks.
How to use Electrical Demand Load Calculator and how it works
- Prepare actualConnectedPowerWatts, callerApplicableCoincidentDemandFractions, with the units, conventions and assumptions below.
- Enter the required fields and run Electrical Demand Load Calculator.
- Read result.value using the output definitions below.
- Correct any rejected inputs and rerun; interpret the result within the stated model and its assumptions.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| actualConnectedPowerWatts | Actual Connected Power Watts. Use the units and matching context stated in the calculation below. | array of number | Required; other constraints below |
| callerApplicableCoincidentDemandFractions | Caller Applicable Coincident Demand Fractions. Use the units and matching context stated in the calculation below. | array of number | Required; other constraints below |
Supply aligned nonempty arrays of nonnegative connected loads in watts and independently applicable demand factors from zero to one. Sum each load times its factor to return demand watts. The tool does not choose diversity rules or assess conductor or service adequacy.
demandWatts=sum(connectedWatts_i*demandFactor_i) Apply the input ordering, units and branch conditions stated above.
| Output field | Meaning | Value type |
|---|---|---|
| result | Object containing the calculated or selected fields below. | object |
| result.value | Conditional power in watts. | number |
{
"input": {
"actualConnectedPowerWatts": [
10,
20
],
"callerApplicableCoincidentDemandFractions": [
0.5,
0.5
]
},
"output": {
"result": {
"value": 15
}
}
}Limitations and assumptions
The calculation uses the supplied observations and model inputs. It does not collect measurements, select a reference population or coefficient, or establish that the model applies to the actual case. The stated branch conditions and output units remain part of the result.
All fields require explicit values. Unexpected fields, wrong types, nonfinite numbers and sparse arrays are rejected. Alignment, bounds and supported-token rules are explained above; extremely large inputs or nonfinite results can also fail. Input errors differ from successful false comparisons, unavailable-domain flags and empty match lists.
Alternative or Complementary methods
Use UPS Sizing Calculator for a complementary operation: UPS capacity depends on load power, apparent power, transient behavior and battery context.
Use Generator Sizing Calculator for a complementary operation: Generator sizing depends on starting and transient loads alongside environmental and manufacturer constraints.
References
-
Electrical Demand Load Calculator — tool.io
Similar or alternative tools
- UPS Sizing Calculator
UPS capacity depends on load power, apparent power, transient behavior and battery context.
- Generator Sizing Calculator
Generator sizing depends on starting and transient loads alongside environmental and manufacturer constraints.