| Performance
Objectives: |
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Pass |
Fail |
| Topic
1: Generating Electricity |
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| 1.1
Name the basic parts of a generator
and describe the function of each in
inducing voltage. |
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____ |
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| 1.2
Describe the primary difference between
a single-phase generator and a three-
phase generator. |
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____ |
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| 1.3
Name two factors that determine the frequency of the current produced by
a
generator. |
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____ |
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| 1.4
Explain why the frequency of a generator’s output must be controlled. |
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____ |
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| 1.5
Explain the function of the exciter in a
generator. |
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____ |
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| 1.6
Name the parts of a DC exciter and the
parts of a brushless exciter and describe
their functions. |
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____ |
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| Topic
2: Generator Cooling |
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| 2.1
Explain why a large generator is typically
cooled with hydrogen instead of air. |
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____ |
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| 2.2
Explain the function of the seal oil system
in a hydrogen-cooled generator. |
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____ |
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| 2.3
Describe how hydrogen is supplied to a
generator cooling system at your site. |
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____ |
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| 2.4
Explain the purpose of each of the following
components in a hydrogen generator cooling
system at your site: purity analyzer, core
monitor, hydrogen dryer, liquid detector. |
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____ |
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| 2.5
Explain how carbon dioxide and air are used
to purge a generator cooling system at your
site. |
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____ |
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| 2.6
Describe the flow of water in a stator cooling
system at your site. |
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____ |
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| 2.7
Describe the function of each of the following components in a stator cooling
system
at your site: temperature control valve, pressure control valve, demineralizer. |
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