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Capstone Turbine Corporation • 21211 Nordhoff Street • Chatsworth • CA 91311 • USA Application Guide: Model C60 Integrated CHP Summary The C60 Integrated CHP System (C60 ICHP) is an integrated single package that includes a high-pressure natural gas C60 MicroTurbine with a hot water heat exchanger mounted on the top. The C60 ICHP system is available in Grid Connect or Dual Mode versions, and includes an exhaust diverter and factory-installed modem. The hot water thermal output depends on the position of the diverter (full heat recovery, full bypass, or any intermediate position), the temperature and flow of the exhaust gas from the MicroTurbine, and the inlet water temperature and water flow. The exhaust temperature and flow of the MicroTurbine depend on the ambient temperature, elevation above sea level, and electric power output. There is a minimum heat transfer to the hot water heat exchanger of about 10,000 BTU/hr (3kWt), regardless of diverter position and electric power output. This is due to a combination of conducted heat from the exhaust ducting and small amounts of exhaust leakage into the heat exchanger core. This requires continuous water flow whenever the microturbine is operating. The nominal rated output at full heat recovery is 375,000 BTU/hr (110kWt) of hot water with the MicroTurbine operating at full 60kW electrical power output under ISO conditions, inlet water temperature of 140 °C (60 °F), and water flow of 40 gpm (2.5 l/s). The following table provides general guidelines for how each of these variables impact the hot water thermal output: Table 1. Thermal Output Variables Variable Change in Variable Change in Thermal Output Engine Power Output Ambient Temperature Hot Water Inlet Temp Water Flow Rate Elevation Increase Increase Decrease Increase Increase Increase Increase (assuming constant power) Increase Increase No Change (assuming constant power) Detailed performance data is provided in the “Thermal Performance Curves” section below. The C60 ICHP System provides flexibility to operate in several thermal and electrical modes, accepts analog and discrete control inputs, and provides discrete output signals. The MicroTurbine’s integral microprocessor control system reads and displays inlet and outlet water temperatures, and adjusts thermal or electrical output based on these measured temperatures or external analog control signals. The user can set modes of operation and read selected thermal information from the front panel or remotely using Capstone Remote Monitoring Software version 60C-CRMS-S (single unit) or 60C-CRMS-M (Multi Unit). The system is UL listed to 2200 and 1741, and meets IEEE 519. The heat recovery system incorporates several safety features to prevent equipment damage, including an integral high temperature switch to shut down the MicroTurbine if heat exchanger core temperatures become too high, and a pressure relief valve to protect the core from excessive pressures. In addition, the integral control system performs several self-checks during startup, and monitors current draw from the diverter actuator to confirm proper operation. 480007-001 Rev D (June 2005) Page 2 of 21 This information is proprietary to Capstone Turbine Corporation. Neither this document nor the information contained herein shall be copied, disclosed to others, or used for any purposes other than the specific purpose for which this document was delivered. Capstone reserves the right to change or modify without notice, the design, the equipment ratings, and/or the contents of this document without incurring any obligation either with respect to equipment previously sold or in the process of construction.PDF Image | Application Guide - Model C60 Integrated CHP (ICHP)
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