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  2. Engineered Software, Inc. - Wikipedia

    en.wikipedia.org/wiki/Engineered_Software,_Inc.

    Engineered Software, Inc. is a software publisher and engineering products company based in Lacey, Washington founded in 1982. The company develops hydraulic analysis software specialized for piping system design based mainly on the Darcy-Weisbach equation, and centrifugal pump selection using the pump affinity rules. Industries served by these ...

  3. 866A - Wikipedia

    en.wikipedia.org/wiki/866A

    The 866 is a mercury vapor half-wave rectifier intended for high-voltage applications. The voltage drop is approximately 15 volts up to 150 Hz. To avoid unwanted shorts the tube must be operated in a vertical position and the filament preheated for at least 30 seconds before applying the plate voltage.

  4. Rectifier - Wikipedia

    en.wikipedia.org/wiki/Rectifier

    In half-wave rectification of a single-phase supply, either the positive or negative half of the AC wave is passed, while the other half is blocked. Because only one half of the input waveform reaches the output, mean voltage is lower. Half-wave rectification requires a single diode in a single-phase supply, or three in a three-phase supply.

  5. Ripple (electrical) - Wikipedia

    en.wikipedia.org/wiki/Ripple_(electrical)

    The characteristics and components of ripple depend on its source: there is single-phase half- and full-wave rectification, and three-phase half- and full-wave rectification. Rectification can be controlled (uses Silicon Controlled Rectifiers (SCRs)) or uncontrolled (uses diodes). There is in addition, active rectification which uses transistors.

  6. DWSIM - Wikipedia

    en.wikipedia.org/wiki/DWSIM

    DWSIM is an open-source CAPE-OPEN compliant chemical process simulator for Windows, Linux and macOS.DWSIM is built on top of the Microsoft .NET and Mono Platforms and features a graphical user interface (GUI), advanced thermodynamics calculations, reactions support and petroleum characterization / hypothetical component generation tools.

  7. Valley-fill circuit - Wikipedia

    en.wikipedia.org/wiki/Valley-fill_circuit

    When the AC voltage is applied, the rectified line voltage is applied across C1 and C2, as they are both charged via D3 and R1, until C1 and C2 are each charged up to approximately half of the peak line voltage. When the line voltage falls below the peak, into the "valley" phase, Vout begins to fall toward half of the peak line voltage.

  8. Power inverter - Wikipedia

    en.wikipedia.org/wiki/Power_inverter

    Rectifier circuits are often classified by the number of current pulses that flow to the DC side of the rectifier per cycle of AC input voltage. A single-phase half-wave rectifier is a one-pulse circuit and a single-phase full-wave rectifier is a two-pulse circuit. A three-phase half-wave rectifier is a three-pulse circuit and a three-phase ...

  9. Mercury-arc valve - Wikipedia

    en.wikipedia.org/wiki/Mercury-arc_valve

    Mercury rectifier on display in the Beromünster AM transmitter in Switzerland, before being decommissioned.Three-phase full-wave rectifier with six anodes. A mercury-arc valve or mercury-vapor rectifier or (UK) mercury-arc rectifier [1] [2] is a type of electrical rectifier used for converting high-voltage or high-current alternating current (AC) into direct current (DC).