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  • Power Switching
    the ratio of on-time to total device operating time (duty cycle or firing angle). They are more controllable, more compact, have longer life, and are more efficient than older methods. Ac power-control modules essentially consist of trigger circuits which control load current, usually with a triac
  • High Purity Boiler Water Production Using Municipal Waste - water at a Combined Cycle Gas-Fired Generating Station
    , for the production of high purity. boiler feed makeup water at a combined cycle gas-fired power plant, and the experiences of the plant operator after. five years of continuous operation. This fully automatic water treatment system consists of micro-media filtration,. reverse osmosis and a short bed
  • Life Cycle Cost Analysis
    operating cost would embrace all aspects of operating cost such as power cost to run the equipment, operating labor, maintenance labor, replacement parts, and other consumables associated directly with the operation of the system.
  • Power the ONT: A Comparison of Line Power and Local Power Architectures
    cost and overall life cycle cost analysis. The purpose of this white paper is to identify the issues and concerns in powering ONTs, to compare the pros and cons of each method, and to perform some basic cost analysis between the two. Our intent is for the service provider to understand the best
  • Isolator Power Consumption Calculator
    know the part number? Choose your isolation specifications, and the utility will determine the part numbers that match your selection, enter power supply specifications, data rate, duty cycle and load capacitance for each channel and get your results! The part numbers, Vdd, Idd and Pdd for each
  • Switching-Regulated Power Supplies
    circuit continuously monitors the output voltage, adjusting the switching duty cycle to maintain a constant voltage output. Switching power supplies are more efficient than series-regulated ones because little power is dissipated in a switching transistor. Switching supplies are physically smaller than
  • The "no blip " power supply
    the supply off. Supplies using what's called fold-back technology will cycle off, reset, and try to cycle on continuously as long as there's an overload. Clearly, inductive loads such as dc motors or solenoids won't start up properly when the power supply oscillates on and off. In addition, there can
  • Nebraska Public Power Case Study
    Cleaver-Brooks Engineered Boiler Systems provides mission critical. steam generation for Nebraska Public Power District's (NPPD) combined cycle. electrical generating plant in Beatrice, Neb. At 250 megawatts, the Beatrice Plant has plenty of capacity, but a key factor. is the plant's ability

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