Transcription of 9.0 GENERATOR, EXCITER, AND VOLTAGE REGULATION
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Emergency Diesel Generator The Generator, Exciter, and VOLTAGE REGULATION Rev 1/11 9-1 of 34 USNRC HRTD GENERATOR, EXCITER, AND VOLTAGE REGULATION This chapter presents the major components of the electrical generator, the exciter, and the VOLTAGE regulator and explains how they relate to the development of power by the diesel engine driven generator unit. Learning Objectives As a result of this lesson, you will be able to: 1. Describe the functions of the generator, exciter, and VOLTAGE regulator. 2. Identify the major components of the generator and how they inter-relate. 3. Describe how diesel engine output power relates to the power demands of the generator. 4. Describe the function of the excitation system and the associated VOLTAGE regulator. 5. Identity the major components of the exciter and VOLTAGE regulator system.
The spider has slots into which the field pole pieces are attached. Together, this makes up the ‘rotor’. The rotor assembly usually also includes slip rings used to convey the field current into the field windings. These windings are wrapped around the pole pieces. A view of a rotor and shaft assembly is shown in Figure 9.7.
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