Table of Contents

1 Overview
  1.1 Scope
  1.2 Purpose
2 Normative references
3 Power distribution for a new plant
  3.1 Main plant distribution substation
  3.2 Cable
  3.3 Secondary unit substations
  3.4 Safety ground check monitoring
4 Power distribution for a plant expansion
  4.1 Changing 2400 V system to 4160 V if total expanded plant
      capacity exceeds 10000 kVA (self-cooled)
  4.2 Deriving utility power for existing 2400 V equipment
      from the high-voltage incoming line utility service or
      from the proposed new 4160 V system
  4.3 Grounding the existing 2400 V system through
      neutral-grounding resistors
  4.4 Abandoning existing generation and purchase total power
      from the utility
  4.5 Using interlocked armored cable carried on trays
5 Quarry distribution utilizing high-resistance grounded systems
  for portable electrical equipment
  5.1 Quarry distribution transformer
  5.2 Primary distribution
  5.3 Distribution 600 V and below
6 Harmonics
7 Figures

Abstract

Presents a recommended practice for electrical distribution systems in cement plants with the objective of satisfactory equipment utilization, reliability, performance, safety, and low maintenance - all at a reasonable cost.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Institute of Electrical & Electronics Engineers
Pages
ISBN
Supersedes	IEEE DRAFT 277 : D1 2007