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Manual Controllers
Protection, Supervision Salient features
Measurement & Display
DES-9 equipped with LCD display and displays
Normally the display auto scrolls and displays a set of parameter for 10 seconds, but any time the Next key (^) can be pressed to select the next parameter window.
Parameter Mode
Display | Explanation of parameter | Factory setting | Setting Range |
Generator O/V | Max. permissible voltage, above this the voltage is treated unhealthy & the Generator is stopped. | 270V | 80-300 V |
Generator U/V | Min. permissible voltage, below this the voltage is treated unhealthy & the Generator is stopped. | 180V | 80-300 V |
Gen Sup Delay | The time for which the Generator voltage should, continuously be unhealthy to generate a fault condition | 10Sec. | 1-999 Sec. |
CT Ratio | Available in models having provision for /5 CTs. Not required for Procom Make CTs | 1 | 1-999 |
Generator O/C* | Max. permissible current, above this the Current is treated unhealthy & the Generator is stopped. | 100A | 1-999 (for /5 Cts) 1-199 A (for Procom CTs) |
Gen O/C Delay | The time for which the Generator Current should, continuously be unhealthy to generate a fault condition | 5Sec. | 1-999 Sec. |
Generator O/F* | Over frequency setting | 65 Hz | 40 - 80 Hz |
Gen O/F Delay | Monitoring time for Over frequency | 5 Sec | 1-999 Sec. |
Generator U/F* | Under frequency setting | 45 Hz | 40 - 80 Hz |
Gen U/F Delay | Monitoring time for Under frequency | 10 Sec | 1-999 Sec. |
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