LARGE TURBO-GENERATORS by Isidor Kerszenbaum & Geoff Klempner

Author:Isidor Kerszenbaum & Geoff Klempner
Language: eng
Format: epub
Publisher: CRC Press

M-S-32: INSUFFICIENT FLOW OF COOLING MEDIUM IN A STATOR BAR

APPLICABILITY:

• Generators with directly H2-cooled stators

• Generators with directly H2O-cooled stators

MALFUNCTION DESCRIPTION:

This malfunction addresses the issue of a partial or total loss of flow in a single bar. The symptoms, consequences, and testing are similar than for a group of coils under the same predicament.

For a relevant discussion, refer to the following malfunctions and symptoms.

• BLOCKAGE OF COOLING FLOW IN A STATOR BAR (M-S-02)

• BLOCKAGE OF PHASE-COOLANT FLOW (M-S-04)

• INSUFFICIENT FLOW OF COOLANT DUE TO BUCKLED COOLING STRANDS OR TUBES (M-S-31)

• INSUFFICIENT FLOW OF PHASE COOLANT (M-S-33)

• OUTLET TEMPERATURE OF STATOR CONDUCTOR BAR COOLANT ABOVE NORMAL (CASE 1) (S-S-07)

• OUTLET TEMPERATURE OF STATOR CONDUCTOR BAR COOLANT ABOVE NORMAL (CASE 2) (S-S-08)

• OUTLET TEMPERATURE OF STATOR CONDUCTOR BAR COOLANT BELOW NORMAL (S-S-09)

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