← All parts of this equation

Equation 2 · Part 8 · AI Datacenter Power and Cooling in Practice: An Advanced Technical Guide

superscript

TDD=100IL∑h=250Ih2 %,\mathrm{TDD} = \frac{100}{I_L}\sqrt{\sum_{h=2}^{50} I_h^2}\ \%,
superscript

What this part means

A raised number can be a power. When it is a label or bound, it selects a case or the upper limit of a sum; the formula’s structure distinguishes these uses.

Its job in the formula

A raised mark can be a power or an index. Its position and the surrounding notation determine which.

The passage around this formula

The instrumentation baseline for a new site starts with IEEE 519, the North American reference for harmonic control, which frames the problem around the point of common coupling — the interface between the utility and the customer — and assigns the utility responsibility for background voltage distortion while assigning the customer responsibility for the current distortion its own equipment injects [ 7 ] . The standard’s working measure of current distortion, total demand distortion, is the root-sum-square of harmonic currents up to the fiftieth order expressed as a fraction of the maximum demand current ILI_L rather than of the instantaneous fundamental: TDD=100IL∑h=250Ih2 %\mathrm{TDD} = \frac{100}{I_L}\sqrt{\sum_{h=2}^{50} I_h^2}\ \%. a normalization…

Read this part in the article →

Learn the underlying idea

An exponent tells how a base is used in multiplication. In x³, x is the base and 3 is the exponent: x³ = x × x × x.

Open the illustrated exponents: repeated multiplication and powers guide →

Sources cited in the surrounding passage

These citations provide research context; check each source for the exact claim it supports.