XT/ZBW series intelligence combined transformer substation

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XT/ZBW series intelligence combined transformer substation


XT/ZBW series intelligence combined transformer substation

To meet the actual demand for power automated nowadays, we have added “Four Remote” intelligent communication function for this kind of product,‘Four Remote’includes telemetering, telecommand, telecontrol and remote regulating, which can be usedas RTU (Remote Transmit Unit).


Micro computer comprehensive protection in HV cabinet of the substation is used for detection of HV side system parameter, and protection and control of HV switch, whichuses CAN bus to communicate, normally the intelligent circuit breaker on LVside has Modbus protocol communication interface, CAN bus on HV side is transformed into 485 bus by protocol conversion module, which communicates with Modbus equipmenton LV side through 485 field bus.


After the wholesubstation achieves “Four Remote”, the background system in the control centercan monitor internal actual motion inside of substation on site and internal switchstatus in real time, and can change internal setting value of each deviceinside of substation and remote control switch at any time.



Wire communication ata traditional communication mode can be used if the substation and controlcenter are close enough. Beside this communication connection type, we alsoprovide GPRS wireless communication to achieve “Four Remote” by GPRS single,which exempt a large number of wire connections between control center andon-site equipments, great convenience to the installation and debugging works, there is no restrictionson installation site as long as GPRS single is available.


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Q:In view of the EMP technology that some countries have, why can't we harden electrical lines and equipment?
First of all, the cost of producing an EMP weapon that could effectively disrupt equipment in an area larger than a few square meters would be astronomical. Second, it would be much more effective to initiate a cyber attack which could produce exponentially more damage than an electical magnetic pulse. Third, electrical lines generate significant amounts of EMI and EMF so it really is not necessarry to harden them. It wouldn't really proctect them, they don't need it. By harden I assume you mean EMP sheilding typically used in military sytems?
Q:what is an electrical ark?
Electricity tends to want to go towards the path of least resistance to something with the opposite charge. An arc is when it goes through the air in order to do that.
Q:Why does modem/DSL need protection from surges?
If a heavy piece of electrical equipment in the vicinity (even a block away) suffers a serious failure causing a massive power surge, it can cause an inductive surge down ANY nearby cables. Considering ALL cables are often run underground, and have to be parallel to reach the same places, this can mean extremely high voltage spikes on the telephone cables, or cable tv lines. Also if overhead cables are used, a lightning strike a long distance off can present dangerous spikes on the line into the building. In a few buildings I have worked at, I have actually received a shock from an unterminated pair of network cables which where connected at the furthest end for testing. In one case it measured 110v with 240v power cables in use. I actually ran a small 110v light from it and then had 90v across the lamp. Really surprised me.
Q:1988 Mustang GT has new battery, shows voltage sufficient to start, but clicks once and all power goes out?
Sounds like the ground cable is loose.
Q:Can you proof read my resume I just wrote ?
Q:How long would it take for the world to recover from a series of EMP nuclear attacks?
About 15 or 20 minutes maybe?
Q:strange option on my HDTV?
The two choices are PC Personal Computer or DTV Digital TV. Depending on what you're doing will determine the mode of operation. When in TV mode you use the TV controls to set the width and aspect ration of the display. When you're using the PC the graphics card will normally set the width and aspect ration. Ever notice that when you change resolution on a normal PC monitor that 640X480 uses just as much screen as when it's set to 1072X768. The graphics card adjusts the size. DTV mode will have the internal controls in your TV controlling the size and PC will have the graphics card in the PC controlling it. As I'm writing this another possibility came to mind. You may have an ATSC tuner (digital tuner) built into your HDTV. The TV may simply be asking you which source you want it to look at. In other words do you want to continue watching TV using the internal tuner or switch to looking at the PC information that is now available. Your best bet is to pick up the owners manual and read the section that tells you about hooking up your computer to the monitor. I'm sure that will explain what your asking for.
Q:reviews on the mercedes c230 kompressor coupe?
The c230 is just like a lot of the modern mercedes cars, they have some simple issues with build quality but if the car has been looked after by the dealership all the recalls will have been done. Ja.
Q:Electrical question ?
Bathroom receptacles should be on a seperate 20 amp circuit to permit devices like hair dryers. Same rules as a kitchen counter by a sink.
Q:How is the electrical maximum demand?
We refer to it as Demand Factor. Its the total calculations of all lighting, dedicated appliance, general use power in the unit of Current (Amps). We have a NEC formula to calculate what is required when build a dwelling or commercial build. usally done by engineers on the E-sheet of blue prints, but any lic. electrical contractor, journeyman, etc. can make those calculations. I am not going to write a 10 page explanation of Demand Factor calculations. Its not one easy formula. You have to add percentage value for light loads, general use is 180 watts per outlet. Continus duty circuits need to be cal. at 125% demandetc. See there is alot more, When I was an apprenntice I did not learn this stuff until fourth year. EDIT: Well isn't that a *****! Thats why i never heard of that term. UK refers to metered service as maximum demand? USA its called Kilowatt hour usage

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