ETT Study Guide Book 3: Component Testing
R. Direct-Current Systems
1. Properties and Types
Identify properties, types, and applications 2, 3, 4
- Battery Terms and Definitions
- The Super Secret Workings of a Lead Acid Battery Explained
- 4 Battery Hazards and How to Avoid Them
- Get to Know Your Battery
- Batteries for Electric Vehicles
2. Inspection and Test Procedures
Apply visual and mechanical inspections 2, 3, 4
- NFPA 70 2017: Article 480 Storage Batteries 2 3 4
- Storage Battery Maintenance and Principles 3
- Testing Battery Banks
- DC System Grounds: Can You Afford to Live with Them?
- Battery monitoring and maintenance guidelines
- UPS Battery Maintenance 101
- The Keys to Extended Battery Life
Employ methods and procedures for electrical tests 2, 3, 4
- NFPA 70B: Chapter 11.14 Battery Testing 2 3 4
- IEEE 450 Recommended Practice for Maintenance, Testing, and Replacement of Vented Lead-Acid Batteries for Stationary Applications 2 3 4
- Battery Testing Guide - MEGGER Handbook
- 3 Simple, Yet Effective Tests for Battery Systems
- Testing and Commissioning of Substation DC System
3. Interpretation of Test Results
Evaluate results of electrical tests 2, 3, 4
- NETA-ATS 2017: Section 7.18 Direct-Current Systems 2 3 4
- NETA-MTS 2019: Section 7.18 Direct-Current Systems 2 3 4
- Recommended Testing Schedule for Battery Systems
- Why Batteries Fail Prematurely
Last Update: Feb 02, 2025
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Guide Table of Contents, Book 3
- Book 3 Overview
- A. Switchgear and Switchboard Assemblies
- B. Transformers
- C. Cables
- D. Metal-Enclosed Busways
- E. Switches
- F. Circuit Breakers
- G. Circuit Switchers
- H. Network Protectors
- I. Protective Relays
- J. Instrument Transformers
- K. Metering Devices
- L. Regulating Apparatus
- M. Grounding Systems
- N. Ground-Fault Protection Systems
- O. Rotating Machinery
- P. Motor Control Centers and Motor Starters
- Q. Adjustable-Speed Drive Systems
- R. Direct-Current Systems
- S. Surge Arresters
- T. Capacitors and Reactors
- U. Outdoor Bus Structures
- V. Emergency Systems
- W. Automatic Circuit Reclosers and Line Sectionalizers
- X. Fiber-Optic Cables
- Y. Insulating Liquids and Gases
- Z. Fuses
- AA. Electric Vehicle Charging Systems