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Capstone Turbine Corporation • 21211 Nordhoff Street • Chatsworth • CA 91311 • USA Application Guide: Dual Mode Fast Transfer Application Guide MultiPac Operation with Fast Transfer The descriptions of operation above show a single C60/C65 or C60/C65 ICHP MicroTurbine. When connecting several C60/C65’s in a MultiPac, the control wiring goes to the master unit, which in turn coordinates operation of the slave units. It is recommended that a second MicroTurbine be wired in parallel with the master so that it can be manually programmed to act as the master when the master unit is taken out of service. Note that Fast Transfer cannot be used with the Capstone Power Server, and control signals must be wired into a MicroTurbine master. Since the master MicroTurbine must receive the input signals, take the appropriate actions, and then communicate to the slave units, the transition time to Stand Alone mode for a MultiPac may take slightly longer than the transition times indicated in the preceding figures, depending on the number of MicroTurbines in the MultiPac, but will still typically transition in less than 10 seconds. Refer to Capstone MultiPac Operation Technical Reference 410032 for additional details. C60/C65 ICHP Operation with Fast Transfer The C60/C65 ICHP can be programmed to operate is several heat recovery modes. If set to Electric Priority (with thermal tracking) or Thermal Bypass, there will be no change in the operating mode when switching between Grid Connect and Stand Alone modes of operation. If the C60/C65 ICHP is set for Thermal Priority for Grid Connect operation, it will automatically switch to Electric Priority (with thermal tracking) when operating in Stand Alone or Hot Standby modes, and switch back to Thermal Priority when operating in Grid Connect mode. Refer to Capstone C60/C65 Integrated CHP Technical Reference 410043 and Application Guide 480007/480014 for additional details about the CHP modes of operation. External Protective Relay Operation with Fast Transfer An external protective relay may be required in some applications to meet local Utility interconnection requirements, or to provide additional protective functionality. For example, reverse power protection may be required to prevent inadvertent export under certain situations. For these requirements, the external protective relay should simply trip a circuit protective device that is located between the Utility grid and the Dual Mode Controller. The C60/C65 MicroTurbine and DMC will then respond to the loss of voltage at the input terminals to the DMC, as shown in Figure 9. When Utility voltage is returned to normal, the circuit protective device can be re-closed, which will reestablish Utility voltage at the DMC input terminals and cause the DMC’s UVR to close isolation switch M1. Note that the C60/C65 MicroTurbine will then monitor the Utility voltage for the preset reconnect time prior to reconnecting in Grid Connect mode, in accordance with UL 1741 requirements. See Capstone Dual Mode Controller Technical Reference 410033 for additional details. 480011 Rev B (February 2006) Page 13 of 14 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/C65 Dual Mode – Fast Transfer
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