IEEE 492 : 1999
IEEE 492 : 1999
IEEE GUIDE FOR OPERATION AND MAINTENANCE OF HYDRO-GENERATORS
Institute of Electrical & Electronics Engineers
Table of Contents
1 Scope
2 Caution
3 Manufacturer's and user's responsibility
4 Types of units
5 Bases of rating
5.1 General considerations
5.2 Temperature limits
5.3 Mechanical stress limits
5.4 Temperature rise
5.5 Methods of temperature measurement
5.6 Limitations in the methods of measuring
temperatures
6 Loading
6.1 Relation of load and temperature rise - stator and
field
6.2 Loading within rating
6.3 Loading - power and reactive power relationship
6.4 Loading outside of nameplate rating
6.5 General considerations
7 Operation
7.1 General
7.2 Starting and loading
7.3 Braking and stopping
7.4 Load rejection and runaway
7.5 Automatic supervision and protection
7.6 Unusual or dangerous operating conditions
7.7 Cooling systems
7.8 Fire-protection systems
7.9 Vibration detection and correction
7.10 Operation of generator/motors
8 Maintenance
8.1 General considerations
8.2 Frequency of inspections
8.3 Inspection and maintenance procedures
8.4 Cleaning
8.5 Testing
8.6 Extensive downtime - care of machine
8.7 Safety precautions
9 Miscellaneous
9.1 Verification of protective relaying
10 Standard references
11 Bibliography
Figures
1 Heat flow and typical temperature detector
location
2 Typical temperature rise versus stator and field
current squared
3 Typical hydro-generator saturation curves
4 Typical hydro-generator vee curves
5 Typical hydro-generator capability curves
6 Typical steady-state power angle curve
Abstract
Describes operation, loading, and maintenance of hydro-generators and generator/motors (pump/turbines), with salient pole rotors and conventional cooling systems.
General Product Information
| Document Type | Standard |
| Status | Current |
| Publisher | Institute of Electrical & Electronics Engineers |
