vatt:vatt_powerglitch
Differences
This shows you the differences between two versions of the page.
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vatt:vatt_powerglitch [2023/01/27 09:36] paul created |
vatt:vatt_powerglitch [2023/01/27 09:36] (current) paul |
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| manual intervention to restart the pumps for two reasons: | manual intervention to restart the pumps for two reasons: | ||
| - | * The operator is responsible for verifying that there is sufficient oil flowing to the pumps before | + | * The operator is responsible for verifying that there is sufficient oil flowing to the pumps before they are allowed to start (" |
| - | they are allowed to start (" | + | |
| - | the flow indicator near the oil tank and recirculating pump). If there is no, or insufficient, | + | |
| - | starting the pumps would likely lead to their self-destruction in short order. | + | |
| - | * A power outage that lasts longer than a fraction of a second inevitably leaves the telescope in an | + | * A power outage that lasts longer than a fraction of a second inevitably leaves the telescope in an indeterminate state. It is patently unsafe to resume the delivery of high-pressure hydraulic fluid to the azimuth bearing, and also to hence " |
| - | indeterminate state. It is patently unsafe to resume the delivery of high-pressure hydraulic | + | |
| - | fluid to the azimuth bearing, and also to hence " | + | |
| - | deciding it is safe to do so. | + | |
| I don't remember how the original PLC-controlled pump/ | I don't remember how the original PLC-controlled pump/ | ||
vatt/vatt_powerglitch.1674837379.txt.gz · Last modified: 2023/01/27 09:36 by paul
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