S9-35kV Series Transformers

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

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Supply Capability:: 1000sets set/month

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1.Production introduction
The product conforms to the technical parameters and requirements of IEC60076 and China Standard GB1094 & GB/T6451, and a series of significant innovation is applied in aspects of material,design and structure.It has the features of high efficiency and low loss.It can save a lot of operation cost,and the social benefits are very significant.In conclusion,it is a nationally promoted new product and it is deeply favored by customers. Installation type:indoor/outdoor type Altitude:≤1000m Installation site:in places without corrosive gases and obvious dusts.

2.Applicable standards
IEC 60076 -1-2-3 2000 Power Transformer GB1094.1-2-1996 Power Transformer GB1094.3-5-2003 Power Transformer GB/T6451-1999 Technical parameters and requirements for three-phase oil-immersed power transformer.

3.Performance characteristics
1.The features of this product are high efficiency and low loss.It can save a lot of operation cost,and the social benefits are very significant.
2.The iron cores are made of the imported high-conduction magnetism,cold-roll,and grain-oriented silicon-steel sheets.The iron cores and windings adopt the vacuum drying and vacuum oil-filling processes,which make the internal moisture down to the very low level.
3.The conservator is hermetically sealed,which make the internal running oil to insolate with oxygen and moisture efficiently.
4.The above features guarantee the transformer does not need do replace the oil during the normal operation,greatly decrease the maintenance cost,and prolong the service life.

4.Main technical parameters of S9-M-50~2500/35 series of transformers

Rated capacity (kVA)	Voltage combination(kV)			Connecting group id	No-load lossess (W)	Load-loss (W)(75˚C)	Short circuit impedance (%)	No-load current (%)	Weight(kg)			Overal dimension (mm)	Gauge (mm)
	High voltage (kV)	Tapping (%)	Low voltage (kV)						Weight(kg)			Overal dimension (mm)
	High voltage (kV)	Tapping (%)	Low voltage (kV)						Body	Oil	Gross weight	Length x width x h
50	35	±5	0.4	Yyno	215	1210	6.5	2.00	230	320	650	1150x720x1200	550x550
100					305	2020		1.80	380	400	980	1200x740x1300	550x550
125					340	2380		1.75	440	430	1100	1250x780x1380	550x550
160					360	2830		1.65	510	460	1200	1300x800x1400	660x660
200					430	3300		1.55	600	500	1400	1400x840x1500	660x660
250					510	3950		1.40	690	530	1500	1530x860x1580	660x660
315					610	4750		1.40	800	570	1670	1600x890x1630	660x660
400					735	5750		1.30	930	650	1950	1730x50x1700	660x660
500					870	6900		1.30	1070	710	2300	1800x980x1800	820x820
630					1040	8250		1.25	1300	830	2650	1900x1000x1850	820x820
800					1250	9900		1.05	1600	900	3100	1950x1060x1900	820x820
1000					1480	12150		1.00	1800	1080	3700	1980x1100x1950	820x820
1250					1760	14600		0.90	2100	1150	4000	2010x1160x1980	820x820
1600					2130	17500		0.85	2550	1250	4730	2040x1310x2000	820x820
2000					2500	20680		0.75	3100	1400	5600	2170x1380x2700	1070x1070
2500					2975	24500		0.75	3650	1500	6300	2300x1450x2900	1070x1070

Q:1. Which type of connection would be the best to use at the beginning of a power transmission line? Which connection would be the best to use at the end of a power transmission line? Explain.2. In wye delta and wye wye transformation, what line voltage should be applied in order to have all transformer windings operating at their rated voltage?3, how do you calculate the percentage of the line voltages?: 1. The transformers at both ends of the transmission line are normally connected wye with the neutral grounded. This is done to provide a 'zero sequence source' for two reasons a. to provide source of ground fault current to a fault on the transmission line to permit that fault to be detected. b. to constrain the elevation of voltage on the healthy phases of the transmission line in the event of a ground fault In order for that wye connection to work, it is usually necessary that the transformer also contain a delta winding. 2. The voltage should be the rated line-to-line voltage of the winding. 3. The line-to-neutral voltage is equal to the line-to-line voltage divided by the square root of three. I don't understand what you mean by 'percentage of the line voltages'.

Q:I mean i want to watch transformers 3, do i have to watch 1 and 2 to enjoy the film ?: 3 does relate to 1 and 2 No, not really but it helps to watch the prequels. I understood 2 without having to watch 1. The only thing I don't understand is why Bumblebee's vehicle mode license plate is different from his robot mode plate?

Q:I need help figuring out this transformer question. I have no idea how to go about it and any information or help will be useful.A 100-kVA, 60-Hz, 7200-480 V, single-phase transformer has the following parameters expressed in OHMS:Rhs3.06 Rls0.014Xhs6.05 Xls0.027Xm,hs17,809 Rfe,hs71400The transformer is supplying a load that draws rated current at 480V and 75 percent power-factor lagging. Sketch the appropriate equivalent circuit and determine:a) The equivalent resistance and equivalent reactance referred to the high side.b) The input impedance of the combined transformer and loadc) The load component of high-side current;d) The input voltage to the transformere) the exciting current and its componentsf) the input impedance at no load: A 100-kVA, 60-Hz, 7200-480 V, single-phase transformer has the following parameters expressed in OHMS: Rhs3.06 Rls0.014 Xhs6.05 Xls0.027 Xm,hs17,809 Rfe,hs71400 Primary winding is 15*N turns r 3.06 ohms in series with The primary leakage reactance which is L 16mhy(6.05 ohm @60Hz) in series with the magnetizing indctance Xm 17809 ohms 47.24hy which completes the primary series string the core loss is modelled as a 71.4k ohm resistor across the magnetizing inductance the secondary winding is 1*N turns R 0.014 ohms in series with the secondary leakage reactance is L 71.3UHy(0.027ohm@60Hz) the load draws 208.33A (100,000VA/480V) Z 2.304 ohms @ 48.6 deg 2.30448.6 1.786 ohms in series with +J 1.524 ohms(4.042mHy) (75% pf comes from voltage drop is seen from 2.304 ohms but only 75%(1.786 ohms) is resistive transfer from secondary to primary is done by multiplying impedances by 15^2 225 you should be able to do it from here.

Q:I know that the ratio of primary turns to secondary turns is the multiplying factor in voltage. So if you wanted 100,000 volts from a 10 volt source could you potentially do this:4 transformerseach transformer has 10 coils in primary and 100 in secondaryThe output of each transformer's secondary is connected to the primary of the next transformer so that you get 10*10*10*10 or 10,000 as your multiplying factor.Would this work?or do you have to do it the hard way and wind 10 coils in the primary of a single transformer and wind 100,000 times in the secondary?: Yes, you can cascade transfomers. The efficiency might be lower, but it will work to a point. Note also that the current will be proportionally lower. The main problem will be the insulation strength as the voltages get higher: if the insulation isn't strong enough arcing will happen. That 100kV stage needs to be very, very robust - in fact, it probably isn't even feasible at a 1:10 turns ratio because its primary voltage is too high (10kV) and so will need ridiculously thick insulation and/or a lot of turns - engineering such a beast is certainly beyond the casual experimenter. The smart money says forget it. There's lots of ways to generate high voltage besides cascaded transformers. Techniques using flyback coils and capacitive discharge for example can easily get you to 50kV or more (this is, for example, how a Taser makes its HV.) I've included some links below. And please, be very, very careful this stuff can kill you.

Q:Two different impedance of the transformer, parallel load how to allocate?: The impedance voltage is equivalent to the power supply resistance. Two impedance voltage is not equal to the parallel operation of the transformer, the impedance of the load distribution of small, low impedance voltage transformer load distribution. Basically inversely proportional. Generally the same type of transformer, the impedance voltage and capacity is basically inversely proportional to the large transformer impedance voltage is smaller than the small transformer impedance voltage. Parallel operation after the load distribution is basically proportional to the capacity of the transformer. But this ratio is not exactly the same, so even if the same type of transformer, the capacity difference is too large (more than 3 times), it is not allowed to run side by side. If it is different types of transformers, the impedance voltage and capacity is not completely inversely proportional to the capacity. The load distribution is even worse.

Q:2500KVA transformer rated current 3608A, how much can be overloaded current?: Ventilated good circumstances, you can temporarily overload 300A.

Q:I need a (step-down) Transformer of the following specifications:240VAC to 24VAC 10A or 240VAC to 24VDC.(Output as 24VDC would be better/easier).I live in Victoria, Australia and need one ASAP (next 3 days or sooner)Plz tell me any store or so Also, if u wanna know the VA Rating, its 240VA.If 10A is not available then anything closest to it. say 9 or 8.5 or 8 or 6.5.Cheers!: Transformers only work with AC, so the second choice is not possible. But you can buy power supplies that have a DC output. Reference has one possibility. Search google for buy supply 24v 10a and you will find lots more. .

Q:Hey I was just wondering if the Nintendo DS version of the Transformers:Revenge of The Fallen game still had the Create-A-bot feature where you can customize your own transformer or if you had to play as the movie characters?: Well, it sort-of has a create a bot feature, but not quite. In the beginning of the game, when you get your transformer as a protoform and once you get to do actual missions, you get to choose out of only three types of vehicles: A light but fast car, an all evened out sports car, or a heavy armoured tank (sort of like another game). However, you can only chose one because you are stuck with that form for the rest of the game. HOWEVER,with energon you pick up fighting other enemies and scanning computers or machines, you can customize stats (attack, agility, defence, ranged attacks, health, and regeneration of health) an customize your robot with different weapons. The game is not a wander-around game like its predecessor, but challenges are available. I guess after you beat the game or when going throughout levels, you play as transformers such as Starscream (beginning of Decepticons) or Optimus Prime (beginning of Autobots).

Q:Transformers have any way of cooling: According to the requirements of the transformer selection guide, the choice of cooling method is recommended as follows: 1, oil leaching from the cold ???31500kVA and below, 35kV and below products; ???50000kVA and below, 110kV products. 2, oil-immersed air-cooled ???12500kVA ~ 63000kVA, 35kV ~ 110kV products; ???75000kVA below, 110kV products; ???40000kVA and below, 220kV products. 3, forced oil circulation air-cooled ???50000 ~ 90000kVA, 220kV products. 4, forced oil circulation water cooling ???General hydropower plant up and down 220kV and above, 60MVA and above products used. 5, forced to guide the oil circulation air cooling or water cooling (ODAF or ODWF) ?????75000kVA and above, 110kV products; ???120000kVA and above, 220kV products; ???330kV level and 500kV grade products.

Q:How do I choose a transformer? The: According to the nature and size of the load to determine the capacity of the transformer. The ratio is selected according to the supply voltage and the voltage required for the load.

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