Term
H2 Oil
Describe the dP between H2 and seal oil. |
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Definition
-Seal oil pressure kept 3-8psid greater than generator H2 pressure.
-Alarm at 2.5psid. |
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Term
H2 Oil
Describe the power supply to the emergency seal oil pump. |
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Definition
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Term
H2 Oil
Describe the main seal oil pump motor and H2 seal oil vacuum pump power supply. |
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Definition
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Term
H2 Oil
Describe the MSOP relief valve setpoint and what happens. |
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Definition
-90#.
-Recircs oil back to vacuum tank using recirc pump line. |
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Term
H2 Oil
Describe the auto start feature of the ESOP. |
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Definition
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Term
H2 Oil
Describe any concerns when using the ESOP. |
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Definition
| H2 purity will degrade over time since the vacuum tank is bypassed by the ESOP. |
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Term
H2 Oil
Describe the supply when all oil pumps cannot be used. |
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Definition
-Use oil from the bearing oil header.
-This is normally makeup and cooling to the seal oil.
-Gen pressure limited to 8# in this case. |
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Term
H2 Oil
Describe pressure control in seal oil. |
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Definition
| dP control valve maintains seal oil press 3-8# greater then gen H2 press. |
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Term
H2 Oil
Describe the setpoint in the liquid detector. |
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Definition
-1.5 pints get alarm.
-Indicates excessive leakage past seals and float cannot keep up (float failure). |
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Term
H2 Oil
Describe the vacuum tank pressure and purpose. |
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Definition
-28"Hg.
-Remove air and moisture.
-H2 purity > 97%. |
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Term
H2 Oil
Describe the H2 pressure in the generator. |
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Definition
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