DKS Series Grounding Transformer

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1. Product Description:

The grounding transformer is usedin the three phase power system with neutral insulation, to provide artificial neutral point.

This neutral point can be directly grounded. It can also begrounded by reactor or arc suppression coil. With a secondary winding,

the grounding transformer can not only provide a neutral point for system but also provide power supply to other parts of system.

2. Product Characteristic:

Special environment should be informed such as altitude, chemicaldeposition, dirt, corrosive media, etc., for dry-type transformers insulation shouldbe provided.

l Mean annual temperature is +20℃and below +20℃(if it’s water-cooling product, the highest daily average temperature of cooling-water is +25℃)

l Altitude is not more than 1000m.

l Installation site should be without seriousvibration, bumps and chemical corrosion,

3.Specification：

Type	Primary rated capacity （kVA）	Secondary rated capacity （kVA）	Rated voltage （kV）	Neutral point voltage （A）	Outline Dimension L x W x H
DKS-200/6	200		6.3	50	1260×850×1460
DKS-315/6	315		10.5	50	1580×900×1500
DKS-400/6	400		8.3	100	1610×910×1550
DKS-630/10	630		10.5	100	1640×950×1600
DKS-315/10	315	50	10.5/0.4	50	1740×975×1670
DKS-315/10	315	160	10.5/0.4	50	1755×990×1600
DKS-630/10	630	250	10.5/0.4	100	1800×1010×1800

4. Reference Picture:

DKS Series Grounding Transformer

Q:I am going to see Transformers 3 today with some friends. Can someone give a detailed summary of what happens in Transformers 1 and 2 because i haven't seen them. Thanks to whoever helps.: Transformers: Plot - Autobots and Decepticons travel to Earth to find the AllSpark, launched into space by Optimus Prime from Cybertron millions of years ago, and found by a team of scientists who kept it, and a frozen Megatron hidden underneath Hoover Dam for seventy years. The key to finding it rests with a teenage boy, Sam Witwicky. Character list (major players, for time's sake) Humans: Sam Witwicky, Mikaela Banes, Capt. William Lennox, TSgt. Robert Epps, Rachel, Special Agent Simmons, Secretary of Defense Keller * (deceased) Autobots: Optimus Prime, Jazz*, Bumblebee, Ironhide, Ratchet Decepticons: Megatron* (will return), Starscream, Barricade, Bonecrusher*, Blackout*, Scorponok, Frenzy* Transformers: Revenge of the Fallen Plot - The Fallen, a rogue Transformer and also a Prime, sets out with a revived Megatron to find the Matrix of Leadership in order to power the Sun Harvester, built thousands of years ago by the Dynasty of Primes in order to siphon a massive supply of energon from the sun. By turning this machine on, the sun will be totally drained of energy and turn Earth into a frozen wasteland. To succeed, the Decepticons must first kill the only one who can defeat the Fallen, Optimus Prime, and capture Sam, who unconsciously knows the way to the Matrix. Humans; Sam, Mikaela, Lennox, Epps, Graham (the British NEST soldier), General Morshower, Simmons, Leo, Director Galloway Autobots: Optimus Prime* (does return), Bumblebee, Ironhide, Jetfire*, Wheelie, Ratchet, Jolt, Elita-1, Arcee, Chromia, Mudflap, Skids, Sideswipe. Decepticons: The Fallen*, Megatron, Starscream, Grindor*, Sideways*, Ravage*, Devastator*, Rampage*, Pretender Alice*, Demolisher*, Soundwave, The Doctor, Scorponok*, numerous Decepticon soldiers.*

Q:How to build inverters using ferrite core transformers, details assemblies.: Google joule thief, for some really simple circuits that produce several volts 90k hertz ac for powering one LED from one almost dead cell at less than one volt. Yes, ferrite core, sometimes only one winding, but a second winding can be the output voltage. Possibly the circuits can be scaled up for more power out and a somewhat lower frequency.

Q:come on.the battle scenes and all the transformers were totally awesomebut.all the small jokes that sam and his parents and other various characters madejust killed itlike they were actually trying to add a comic element to it.and what is with the transformers cussing? it doesnt feel righttransformers dont cuss.lol: I concur. Transformers 2 had some really awesome cinematography, most notably the battle sequences, but it really wasn't worth the praise. The jokes felt too forced, the film felt rushed, and the acting was terrible. It wasn't awful like critics are saying, but I wouldn't really watch it again. The first Transformers was better because the jokes didn't feel too forced and the film didn't feel really corny like its follow-up.

Q:I want to multiply current 10times for a second or two. So, is there any easy way to do that without using a high power transformer?Thanx.!: If your output is 8V ac, then a transformer is unfortunately your best bet. You can get real fancy and do a switching power converter/inverter (sort of like the inverters that convert 12V dc in vehicles to 120V ac), but that solution is outside the ability of most designers. You would lose a lot of hair and if you're lucky, it MIGHT be cheaper. ************************************** I'm assuming you want to conserve power and increase I by a factor of 10 while decreasing V by a factor of 10? Remember; P V*I A switching regulator will allow you to transform power from one form to another very efficiently (often 90% or better). It uses an inductor switched cleverly between the source and load. This is used in most modern power supplies instead of a transformer (like laptop supplies, cell phone chargers etc.) Your question is a little vague you can increase current 10 times by reducing the load impedance (resistance) by a facto of 10. Ohms law VI*R or IV/R. Reduce R by 10, increase I by a factor of 10. Hope this helps, Dave

Q:Transformer is the transmission of electrical equipment: Transformer (Transformer) is the use of electromagnetic induction principle to change the AC voltage of the device, the main components are primary coil, secondary coil and core (core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage regulator (magnetic saturation transformer) and so on. According to the purpose can be divided into: power transformers and special transformers (electric furnace change, rectifier, frequency test transformer, voltage regulator, mine transformer, audio transformers, IF transformers, high-frequency transformers, impact transformers, instrument transformers, electronic transformers , Reactors, transformers, etc.). Circuit symbols commonly used as the beginning of the number. Example: T01, T201 and so on. Transformer consists of iron core (or core) and coil, the coil has two or more than the winding, which connected to the power supply winding called the primary coil, the rest of the winding called secondary coil. It can transform AC voltage, current and impedance. The simplest core transformer consists of a soft magnetic material made of iron core and set on the core of the two turns ranging from the composition of the coil,

Q:A 2300/230 V step down transformer is rated at 70 kVA and 60 Hz. Its windings have the following resistances and inductances : Rp 0.093 ohms, Xp0.280 ohms, Rs 0.00093 ohms and Xs 0.00280 ohms. The transformer's rated current at the secondary is 3261 A. Assume that a10 from 2300/230 V and calculate the no load voltage for unity 0.7 lagging and 0.7 leading power factor.: You question does not make sense. First issue: You want to calculate the no load voltage? At the secondary? But you specify a power factor? The only possible interpretation that can be drawn from a specification of power factor is that the transformer is under load. Second issue: You specific primary and secondary winding resistance and inductance. The problem is to calculate open circuit (no load) secondary voltage. But the specification says nothing about the core. If the transformer is open circuited, there is no secondary current, and therefore no voltage drop in the secondary winding resistance and reactance. And the specification says nothing about the core, the one must presume that there is no core loss. In the absence of core loss, and at no load, then there is no primary current, and therefore no voltage drop in the primary winding resistance and reactance. Third issue: what do you mean by a 10?

Q:Transformer cooling method AN stands for what: The cooling mode of the transformer is determined by the cooling medium and the circulation mode. Dry-type transformer cooling method is divided into natural air cooling (AN) and forced air cooling (AF); oil-immersed transformers commonly used cooling methods are generally divided into three types: oil-immersed self-cooling, oil-immersed air-cooled, forced oil circulation.

Q:I have to build a transformer which are the main formulas or some source that explains this: You need to specify what the transformer is to be used for. (why do you have to build a transformer ?) (the characteristics of the core are critical to the design) Until you specify that, only the simplest of basics relating to turns ratios can be stated: 1 - Power in primary Power in secondary 2 - Voltage ratio turns ratio 3 - Current ratio 1 / (turns ratio) [from #1 #2] 4 - Impedance ratio Turns ratio squared. [ from #2 #3] **IF** it is a power transformer, I suggest getting a transformer with the same, or slightly higher POWER rating, then simply re-wind the secondary using #2 above. (I did) or Google: how to design transformer windings then pick the one that suits your needs best.

Q:I check the voltage between x1 and x2 I got 120v but between x1 and ground on primary I got 40v and between x2 and ground on Primary I have 50v, if I connect x2 to ground won't it short the transformer? Thank you: What you see is normal, until the transformer is grounded the voltage floats. It is the same with the power for your house, the secondary of the transformer is normally grounded at the utility transformer, and at your ground rods, and to your water lines. X2 is the normal side grounded, although this has never made sense to me. You can imagine this, connecting one end of a flashlight battery to the frame of a car does nothing, you could then attach the other end of the battery to a light bulb, and the other bulb connection to the end of the battery or the frame, it only shorts if you connect the hot to the ground if you don't connect through a correctly rated load. Edit: Yes, ground it to the ground screw that the 208v ground wire is connected to, just to be clear, 208v connections H1 and H2 should not be grounded, and either x1 OR x2 needs be grounded, normally x2, grounding the transformer connection that is not connected to fuses.

Q:Halo4 - love the series, Halo 3 is my favorite, hated Reach. not sure if Halo 4 is more like halo3 or more like reach, will not buy if abilities are includedBlack Ops 2 - BLOPS was my favorite shooter, I will probably get this unless they lower the health to MW2/MW3 standards and they don't fix SMGsTransformers FOC - War for Cybertron was one of the best games I've ever played, but they made Dark of the Moon which was a really bad shooter, and I'm not sure if FOC will be bad as wellWhat would you suggest?: I would say BLOPS 2 because I have not played any of the other games prequels. That is because I play on ps3 so I am unable to play Halo and Transformers never interested me. Plus I know if there is an error in BLOPS 2 Treyarch will fix it to the best of their abilities unlike IW's take on development which is we have your money already so we don't care.

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