Zellweger ripple injection plant 22kV

[MrRootbrian]

massive power!

[DragonFlyback256]

What is that thing left (primary) side of the tranny? All else things are clear to me of what they are except that only part.

[joyange1]

Could you hook up an oscilloscope to the mains and show us how that signal travels through the power lines. I like to see how the signal modulate the AC power.

[RODALCO2007]

@joyange1 You could but I haven't got an oscilloscope. see if I can get one from work.

[911Ravager911]

At work we got an injection plant too, but it works with 600 HZ, probably depends on the company. Connected to the 20 KV grid and got 300 kVA. It controls street lights and dual count Meters. What voltages are used in the high voltage grid in NZ?

[RODALCO2007]

@911Ravager911  Grid transmission in NZ is 620kV DC, 220kV 110kV 66 kV 55kV (railways) and 50 kV

Distribution 33kV 22kV 11kV and some 6.6kV

[911Ravager911]

@RODALCO2007

In germany we use 400 KV and 230 KV for nation wide transmission, 115 KV for mid range transmission, 30 KV local transmission (more commonly in east germany), 20 KV local transmission ( more commonly in west germany), and old 10 KV grids in cities like Berlin etc.

[RODALCO2007]

@911Ravager911 It is interesting to see that Europe uses often multiples of 10 for voltages and the British use multiples of 11.

Our VT's and instrumentation in substations runs at 63½ / 110 Volts 50 Hz

[RODALCO2007]

@911Ravager911 XLPE and some old oil cables for 33 kV

[911Ravager911]

@RODALCO2007

Two more questions:

1. What kind of high voltage cable do you use in NZ? Oil insulated or XLPE isulated cable?

2. Do you use Arc-Suppression Coils in NZ to limit the current flowing to ground in case of earth fault?

[RODALCO2007]

@911Ravager911

1. XLPE

2. Reactors are put in some high fault level substations to reduce available fault current

[Trifu22]

@RODALCO2007 O_O 55kV on railways?? 

[RODALCO2007]

@Trifu22 55 kV two phase supply with open points gives 25 to 27½ kV to the catenary via auto transformers, same as in your country.

[Trifu22]

@RODALCO2007 I think we use three phase supply at 110kV, and we have no autotransformers

The caternary has a portion of 200 meters of unenergised cable, because of the diffrent phases of the frequencies, called neutral area.

this is the official schematic:

elcatel.ro/images/Electrificar­e-2_clip_image001.gif

ZN=neutral area, ȘINĂ=rail

[7ReyZor]

So, what is this used for? To send power on/off signals to devices?

[RODALCO2007]

@7ReyZor Correct.

[More350Power]

very interesting!

[peterahjorter]

Hehe I read it "Zellweger nipple injection plant"

[dopiaza2006]

@peterahjorter Believe me, you're not the only one ;)

[d0d0uk]

@peterahjorter

I read it as "zellweger nipple erection" didn't read any further as i had already clicked...

[syncman2x]

X11,000

[Kurtreidable]

Very cool.

[ChumpusRex]

Presumably the transmitter generates a 400 V ripple and then injects it via a step-up transformer and cap/filter bank. If so, what is the injection power?

What are those big cylindrical things in the setup?

[RODALCO2007]

@ChumpusRex For about 100,000 customers. makes 100 MW load shedding.

The cylindrical things are reactors and are part of the tuned circuit.

[jhonbus]

Amused (but not surprised) to see all the Renee Zellweger videos in the related vids.

[BoomBoxDeluxe]

Interesting, but not as exciting as that 30kW motor spooling up though! :-D

-BoomBoxDeluxe.

[RODALCO2007]

@BoomBoxDeluxe I like the motor versions too

[creedrulz6000]

i read the more info but can you make a video telling more about this thx

[HDXFH]

Interesting stuff!, good video