ortwophasecurrentstheresidualcurrent,oronephase Thefunctioncanbesettoforward,reverseornon- currentplusresidualcurrent.Whenthosecurrents directionalindependentlyforeachstep.Bothstepsare exceedtheuserdefinedsettings,thefunctionis providedwithasettabledefinitetimedelay, triggered.Theseconditionsincreasethesecurityofthe back...
OEM and ODM is welcome, we have professional and experienced engineer team for you.We can customize the transformer substion as customers' requirements , and quote by the drawing/single line diagram (SLD) or the technical datas . Model N.O. Capacity (KVA)...
guration. The SLD flexible programming allows for showing a one-line drawing of the relay application, metering values and 12. Trip-circuit monitoring text strings specifying, e.g., specific feeder and breaker informa- The trip-circuit monitoring continuously supervises the availa- tion. Information...
Fig. 8a shows the single line diagram of the simulated circuit considering the underground power cable. Fig. 8b shows the corresponding current of phase ‘A’ and TCL reactors involving the underground cable capacitance in steady state. As can be seen from the motor current waveform, it is ...
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Capacitor voltage transformer section view and single line diagram However, the burden current becomes relatively larger and ratio error and also phase error is introduced. Compensation is carried out by ‘tuning’. The reactor connected in series with the burden is adjusted to such a value that ...
Consider the one line diagram in Fig. 6. If the bus main breaker is in need of maintenance, it is possible to bypass the breaker by closing the parallel switch. However, possibly as soon as current switches from the bus main breaker, and definitely when the bus main breaker opens, the ...
The first thing that becomes apparent is that, when trying to predict the word that comes after ran, we no longer look at just one line, but rather a whole set of them. We've moved out of the Markov realm now. Each row no longer represents the state of the sequence at a particular...
One factor is the tapped winding, e.g. whether in the case of a two-winding transformer, the HV or LV winding is the tapped winding. For an autotransformer, it is whether the series or common winding and in the latter case, whether the common winding is tapped at the line, i.e. ...
Decreasecbelow the negative of theControl thresholdto decrease the tap positionpby one. This figure shows the tap-response to a control input. In the diagram: N0is the nominal number of turns for the tap-changer winding. δis the percent change in turns per tap position step. Specify this...