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DC Machines
DC Machines

... CHAPTER 7 DC Machines ...
CE/SC 12
CE/SC 12

... 12-10 Present and future trends in the development design and operation of large power transformers and shunt reactors. 12-11 Diagnostic technique and proceedings of preventive maintenance of large transformers. 12-12 Diagnostic testing in maintenance practice of HV transformers. 12-13 Diagnostic te ...
The Smart Meters: What are the different types
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... The time-of-use billing is already in use in many places. Instead of having a fixed rate for electricity, the rate depends on the time of the day. The electricity will then cost more in the afternoon than in the morning, encouraging people to use the clothes dryers and air conditioners less in the a ...
IBIS_class_2003_11_03_handout.pdf
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... • Higher resolution yields more accurate models • it is desirable to have a point at least at every 100 mV, or less ...
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... Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Inc ...
Troubleshooting Guide - Controlled Products Systems Group
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... and control devices. Many times in complicated installations, there will be extra devices installed by an electrician or other subcontractor that may not be functioning properly with the operator. If the door functions properly after disconnecting additional devices, start reconnecting each device o ...
SQ4920EY
SQ4920EY

... Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use ...
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... The NX3L1G384 is a low-ohmic single-pole single-throw analog switch. It has two input/output terminals (Y and Z) and an active LOW enable input pin (E). When E is HIGH, the analog switch is turned off. Schmitt trigger action at the enable input (E) makes the circuit tolerant to slower input rise and ...
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... activation of external switches. Additionally, it provides a periodic control signal for pulsed testing of wake-up switches, allowing low-current operation even when the wake-up switches are closed in Standby mode. All transceivers are optimized to be highly flexible with regard to bus topologies. I ...
Emerson Network Power® MPH2™ Rack PDU
Emerson Network Power® MPH2™ Rack PDU

... This safety sheet contains important safety instructions. Read all safety, installation and operating instructions before installing the Emerson Network Power MPH2 rack power-distribution unit (PDU). Adhere to all warnings on the unit and in this safety sheet. Follow all instructions. • The MPH2 Rac ...
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... The information and data provided in datasheets shall define the specification of the product as agreed between NVE and its customer, unless NVE and customer have explicitly agreed otherwise in writing. All specifications are based on NVE test protocols. In no event however, shall an agreement be va ...
HYPERTHERM SENSOR™ PHC PLASMA HEIGHT CONTROL
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... Note: This product has been designed and manufactured in accordance with CE and UL Safety Standards. UL has successfully tested and listed this product in accordance with the applicable U.S. and Canadian Safety Standards. File number E307226. Additional markings: ...
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... projects, offshore platforms for drilling and production of energy sources, and other remote sites requiring continuous electric energy. The size of the individual generators may range from a few hundred kilowatts up to several megawatts depending on the system demand. The prime movers are typically ...
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... an example, having a Vdd rise time of less than 10 V/s might trigger this problem. The same problem might occur during a supply voltage drop during which Vdd remains between 300 mV and 80 mV for more than 200 ms before going back to the specified Vdd level. As an example, having a residual battery v ...
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... capable of giving continuous rated output without exceeding the specified temperature rise. Bidder shall submit the calculation sheet in this regard. 17.3.4 Tanks with corrugations shall be tested for leakage test at a pressure of 0.25kg/ sq cm measured at the top of the tank. 17.3.5 The transformer ...
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... and unpredictable field distrubtion that results when multi-mode cavities, such as those used in domestic microwave ovens, are excited using magnetrons that are inherently broadband (20MHz) make them less than ideal for operation in applications where precise delivery of microwave energy is importan ...
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... supply connections become live. Before installation and maintenance work on the drive: • Stop the motor. • Ensure that the motor cannot rotate during work. Prevent the start-up of any drives in the same mechanical group by opening the Prevention of unexpected start-up switch (option +Q950) or the Sa ...
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... regulator; drive it low to turn it off. Connect EN to IN through a pull-up resistor or a resistive voltage divider for automatic startup. Do not float this pin. Frequency Set. Require a resistor connected between FREQ and IN to set the switching frequency. The input voltage and the resistor connecte ...
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... Like power semiconductor devices, fuses are technical devices backup by years of development and testing. When selecting semiconductor fuse, one will have to answer opposite deliverables. We want, during normal operation, low watts, unlimited life time expectancy, low body and terminal temperatures, ...
ACS 200 Frequency Converters for Speed Control of 0.55 to 4.0 kW
ACS 200 Frequency Converters for Speed Control of 0.55 to 4.0 kW

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Distribution management system

In the recent years, utilization of electrical energy increased exponentially and customer requirement and quality definitions of power were changed enormously. As the electric energy became an essential part of the daily life, its optimal usage and reliability became important. Real-time network view and dynamic decisions have become instrumental for optimizing resources and managing demands, thus making a distribution management system which could handle proper work flows, very critical.
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