Recent content by Selk

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  1. S

    Why separate PCs for HMI and Engineering Workstation?

    In the picture, three items are shown: 1) Servers (2 units) 2) PC for HMI 3) PC for Engineering workstation
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    Operator Workstation, HMI, Touch panel

    Do the terms operator workstation, HMI and the touch panel all refer to same thing? Operator workstation --> Just a Monitor? or Monitor + PC? HMI --> Device flush mounted on the front door of the cabinet with some displays for monitoring. Some may be equipped with touch screen for control...
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    Steam Turbine Generator - Lube Oil Mist Separator

    Just wondering if STG Lube Oil Mist Separator need to be powered from Emergency or UPS power source? as collegue said as this is a device that avoids explosions so you want a secure supply. Share you thoughts please!
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    Load sharing - Communication

    We are using DEIF IE350 for load sharing/paralleling of the generators. What is the best communication method for load sharing, there is a RJ 45 port and there is a CAN bus.
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    Keyboard and Mouse

    Sorry, dumb question, even though Touch panel is provided, why mouse and key is provided in some control panels?
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    25A - Synchronizer

    Why some auto synchronizers are provided with only ability to adjust the speed and not the voltage? In which case synchronizers with ability to adjust only speed is used? and In which case, synchronizers with ability to adjust both speed and voltage is used?
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    Isochronous load sharing lines - Dissimilar Generators

    Is it practically feasible to successfully test, commission, and operate isochronous load sharing lines for load sharing between one steam turbine generator (STG - 1.5MW) and three diesel engine–driven generators (3.5MW), given that the generators are dissimilar? Normally the steam turbine...
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    Parallel running of dissimilar generators with different droop settings

    Thank you for the detailed explanation as usual! say, when the EDG is running at part load or fixed power, in parallel with other generators, if some loads are added/removed, because of this, system frequency is reduced/increased, then the machine running at part load will increase/decrease the...
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    Parallel running of dissimilar generators with different droop settings

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    Parallel running of dissimilar generators with different droop settings

    Is the "Fixed kW" control then a droop control with an aim to keep the ERROR constant?
  11. S

    Parallel running of dissimilar generators with different droop settings

    As I understand then, keeping the machines with different droop settings will become a concern when starting /stopping large loads, Now thinking to operate the emergency generator should operate in fixed kW mode and the other generators in droop based on the Emergency tie breaker status; if the...
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    Isolated Generator and Droop Governor

    As I read the datasheet, the engine has a electronic governor so it should have capability to operate both in Isochronous/droop; so the target is if the Emergency tie breaker is closed, the emergency generator should operate in fixed kW mode and if the tie breaker is open, the emergency...
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    Parallel running of dissimilar generators with different droop settings

    1. Yes, DG3 is emergency generator The parallel operation is only done during testing or Non emergency mode so that machine can be loaded fully and clean the soot deposits 2. The other two generators will be running in parallel in droop mode with external control from PMS
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    Isolated Generator and Droop Governor

    How do I know that if the Diesel engine governor is equipped with only Isochronous capability, droop capability or is it capable of fixed kW? or both? Say, I would like to operate all three generators (two large units and one smaller unit in parallel) while running in island mode. The small...
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    Parallel running of dissimilar generators with different droop settings

    In this setup, is it possible to operate all three generators in parallel by configuring DG-1, DG-2, and the STG in Droop mode, while operating DG-3 in Fixed kW mode? The manufacturer claims that DG-3 cannot run in parallel with 11kV generators, citing a mismatch in droop settings: the maximum...
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