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Technical Reference Stand Alone Operation – Capstone Model C30 and C65

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Technical Reference Stand Alone Operation – Capstone Model C30 and C65 ( technical-reference-stand-alone-operation-–-capstone-model-c )

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Capstone Turbine Corporation • 21211 Nordhoff Street • Chatsworth • CA 91311 • USA Technical Reference: Stand Alone Operation–Capstone Models C30 and C65 3.6.3.2 Soft Start Frequency Soft Start Frequency establishes the starting frequency. When the output contactor closes, the system will provide demanded current at this starting frequency and immediately begin increasing the frequency up to the nominal frequency. Ramp Rate Hertz per Second establishes the rate of frequency increase. When the output contactor closes, the system will provide demanded current at the starting frequency and immediately begin increasing the output frequency at this rate. • CRMS: From the microturbine control panel menu, select Settings > Stand Alone Voltage and Frequency Settings and enter the desired Frequency Start and Frequency Ramp values. CRMS Stand Alone Voltage and Frequency Menu Parameter Description Parameter Value Default Frequency Start Frequency Ramp Sets soft start frequency Sets soft start frequency rate of change 0 – 60 Hz 0 0 – 2000 Hz/sec 2000 • • 3.6.4. C30 Display Panel: Enter the user password (default is 87712370) and navigate to Stand Alone > Freq Start/Ramp and enter the desired Frequency Start and Frequency Ramp values. C65 Display Panel: not available. C30 Display Panel Parameter Description Parameter Value Default Stand Alone Freq Start/Ramp Sets soft start frequency 0–60Hz 0 Stand Alone Freq Start/Ramp Sets soft start frequency rate of change 0 – 2000 Hz/sec 2000 Protective Relay Settings Protective Relay settings establish voltage and frequency operating limits and associated fault protection for the microturbine. Voltage and frequency setpoints may be programmed as well as associated fault protection limits. These adjustments are provided to protect common loads by disabling power production during undesired transient conditions. The settings are adjustable to allow the user to narrow or restrict the operating envelope. Protective relay settings are stored in EEPROM non-volatile memory and are not subject to power interruptions. When a protective function initiates a shutdown, the following occurs: 1) Output power flow ceases within 100 msec. 2) The power output contactor is opened within 100 msec, disabling the microturbine power output from the local load. 3) Fuel flow to the microturbine stops, and 4) A warm shutdown ensues, during which control power is supplied from the microturbine generator as it slows down. The warm shutdown lasts 1-2 minutes before the rotor is stopped. 410028 Rev E (June 2013) Page 18 of 42 Capstone reserves the right to change or modify, without notice, the design, specifications, and/or contents of this document without incurring any obligation either with respect to equipment previously sold or in the process of construction.

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