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Behavior of Capstone and Honeywell Microturbine Generators During Load Changes Other: • Noise level • Fuel flow (natural gas) • Cogeneration capacity • Dimensions • Weight • V oltage 2.3 Testing Chronology 65 dBA @ 10 meters 1000 ft3/hr or 9.5 Therms per hour 90 kW thermal output (hot water), 338,000 Btu/hour 85”Hx48”Wx92”D 2163 mm H x 1219 mm W x 2334 mm D 2850 lbs / 1295 kg without gas compressor 275 VAC, 3 phase, 3 wire ungrounded delta, other voltages/configurations available with transformer, 100 kVA maximum, single phase operation must be balanced within 10% In June 1999, initial tests were conducted to characterize the operation of a 30-kW Capstone microturbine generator (with high-pressure gas feed) in grid-connect mode. Subsequent tests were run on the Honeywell Parallon 75-kW MTG. Table 1 shows the test dates and configurations. Table 1. Test Dates and Configurations Test Configurations Capstone 30 kW – Grid-connect mode Capstone 30 kW (Low-pressure Gas) – Grid-connect Honeywell Parallon 75 kW – Grid-connect Capstone 30 kW (Low-pressure Gas) – Stand-alone w/ Load banks Parallel Operation of Two Capstone 30 kW w/ Load Banks Honeywell Parallon 75 kW – Stand-alone w/ Load Banks Parallel Operation of Capstone 30 kW and Honeywell 75 kW w/ Load Banks 2.4 Data Collection Date 6/22/1999 10/25/2000 12/20/2000 3/20/2001 4/17/2001 5/2/2001 6/20/2001 Both microturbines can record operational parameters (temperatures, pressures, fuel usage, turbine RPM, internal voltages/currents, status, and many others). These data can be accessed with a computer or modem connected to an RS-232 port on the microturbine. To supplement these data, additional electrical instrumentation was installed for some of the tests. 2.4.1 Capstone Data for the Capstone MTG were collected with a direct RS-232 connection from the MTG back panel plug to a laptop computer using Capstone’s communications software. This software is a commercial package available from Capstone. The most rapid sampling permitted by the software was at two-second intervals. These data were recorded in the laptop’s hard disk and then downloaded for analysis on Excel spreadsheet software. The cable required for this operation has nine-pin female connectors at both ends. See Table 2 for the pin connections. 5PDF Image | Behavior of Capstone and Honeywell Microturbine Generators During Load Changes Consultant Report
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