Oil immersed Distribution Transformers 6-10kV

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6-10kV Oil-immersed DistributionTransformers

Oil immersed Distribution Transformers 6-10kV

1. Introduction

6-10kV oil-immersed distributiontransformers with capacity 30-3150kVA are suitable for 6-10kV distributionnetwork system. Product complies with GB/T6451-2008 standards.

Type 9, 11 and 13 are classified byloss standard. Two types of oil tank are provided, they are sealed corrugatedradiating and sheet radiator. Voltage can be adjusted with load through switchinstalled.

2. Characteristics

Fully sealed corrugated tank has corrugatedsheet for transformer oil natural cooling. There is no oil storage cabinetneeded, so the oil is completely isolated from air. This design slows down theaging of oil, eliminates maintenance and extends the transformer life.

3. Technical parameters

Technical parameters of S9-Mcorrugated tank transformers

Code	Rated capacity (kVA)	rated voltage(kV)		Loss (xW)		Short Circuit impedance (%)	No Load Current (%)	Connection Symbol	Weight (kg)			Dimension LWH (mm)	Gauge mm
		HV	LV	No Load	Load				Weight (kg)
		HV	LV	No Load	Load				Body	Oil	Total
S9-M-100	100	10 6.3 6	6.3 6	290	1500/1580	4.0	1.8	Yyn0 Dyn11	285	105	515	800x680x1030	550/550
S9-M-125	125			340	1800/1890		1.7		355	110	625	920x700x1060	550/550
S9-M-160	160			400	2200/2310		1.6		420	130	740	970x730x1070	550/550
S9-M-200	200			480	2600/2730		1.5		475	160	825	1020x740x1085	550/550
S9-M-315	315			670	3650/3830		1.4		710	205	1200	1350x740x1115	550/550
S9-M-500	500			960	5150/5410		1.2		925	285	1575	1470x795x1310	660/660
S9-M-630	630			1200	6200	4.5	1.1		1085	320	1835	1540x830x1360	660/660
S9-M-800	800			1400	7500		1.0		1375	435	2340	1630x920x1430	820/820
S9-M-1000	1000			1700	10300		1.0		1480	485	2600	1755x1035x1450	820/820
S9-M-1250	1250			1950	12000		0.9		1760	575	3135	1870x1120x1540	820/820
S9-M-1600	1600			2400	14500		0.8		2125	700	3795	1970x1170x1645	820/820

Technicalparameters for S11-M corrugated tank transformers

Code	Rated capacity (kVA)	rated voltage(kV)		Loss (xW)		Short Circuit impedance (%)	No Load Current (%)	Connection Symbol	Weight (kg)			Dimension LWH (mm)	Gauge mm
Code	Rated capacity (kVA)	HV	LV	No Load	Load				Body	Oil	Total
S11-M-160/10	160	10 6.3 6	0.4 6.3 6	280	2200/2310	4.0	1.6	Yyn0 Dyn11	490	100	795	1135x713x180	550/550
S11-M-200/10	200			340	2600/2730		1.5		540	175	880	1168x738x1200	550/550
S11-M-250/10	250			400	3050/3200		1.4		665	200	1025	1240x780x1240	550/550
S11-M-315/10	315			480	3650/3830		1.3		730	220	1155	1300x835x1265	550/550
S11-M-400/10	400			570	4300/4520		1.2		895	300	1390	1390x905x1310	550/550
S11-M-500/10	500			680	5150/5410		1.1		1025	360	1650	1470x965x1365	550/550
S11-M-630/10	630		0.4	810	6200	4.5 5.5	1.0		1650	415	2260	1575x1010x1430	660/660
S11-M-800/10	800			980	7500		1.0		1510	470	2550	1685x940x1545	820/820
S11-M-1000/10	1000			1150	10300		0.9	Dyn11	1640	650	3070	2180x1075x1655	820/820
S11-M-1250/10	1250			1360	12800		0.8		2010	820	3700	2310x1310x1715	820/820
S11-M-1600/10	1600			1640	14500		0.8		2420	990	4470	2460x1514x1920	820/820
S11-M-2000/10	2000			2240	16830		0.8		2860	1120	5050	2782x1600x2040	820/820
S11-M-2500/10	2500			2640	19550		0.8		3195	1155	5912	2500x2060x2010	820/820

Parameters for 6-10kV SZ11 OLTC Transformers

Code	Rated capacity (kVA)	Rated voltage (kV)			Loss(xW)		Short Circuit impedance (%)	No Load Current (%)	Connection Type Symbol	Weight (kg)			Dimension LWH(mm)	Gauge mm）
Code	Rated capacity (kVA)	HV	LV		No Load	Load	Short Circuit impedance (%)	No Load Current (%)	Connection Type Symbol	Body	Oil	Total	Dimension LWH(mm)	Gauge mm）
S11-M-200/10	200	10 6.3 6	0.4	±4x2.5%	0.48	3.06	4.0	1.5	Yyn0 Dyn11	531	241	1058	1510x820x1460	550/550
S11-M-250/10	250				0.56	3.60		1.4		630	350	1400	1740x1020x1440	550/550
S11-M-315/10	315				0.67	4.32		1.4		860	280	1630	1790x1050x1570	550/550
S11-M-400/10	400				0.80	5.22		1.3		910	400	1740	1830x1120x1630	660/660
S11-M-500/10	500				0.96	5.21		1.2		1080	460	2068	1900x1230x1780	660/660
S11-M-630/10	630				1.20	7.65		1.1		1396	611	2661	2010x1320x1930	660/660
S11-M-800/10	800				1.40	9.36		1.0		1650	780	3220	2280x1370x2220	820/820
S11-M-1000/10	1000				1.70	10.98		1.0		2083	843	4240	2170x1160x2320	820/820
S11-M-1250/10	1250				1.95	13.05		0.9		2390	1100	4950	2510x1310x2630	820/820
S11-M-1600/10	1600				2.40	15.00		0.8		2900	1065	5235	2570x1382x2650	820/820

Note: The above parameter before slash is forYyn0 connection type and after slash is for Dyn11 connection type.

Q:Is the secondary current rating of the transformer line current or phase current?: For star-wiring products, the line current = phase current For triangular wiring products, the rated current refers to the line current (phase to phase current)

Q:how are opyimy and megatron ( or w/e the f their names are)bros and hoes if they cant have roboet sex!!! if so wheres their mother and is the creator sexist about girls there is no girl robots and for that matter has some1 made a transformers porn yet.: Transformers can be brothers if their Sparks split naturally upon being introduced to a protoform. See G1 Sunstreaker and Sideswipe. Transformers may not have sexes, but they do have different genders. They are simply made this way by their God, Primus.

Q:800kw motor how much transformer: Transformer power factor is generally 0.8 (also 0.7), then the total power transformer = 800 / 0.8 = 1000KW. According to the "Power Engineering Design Manual", the transformer capacity, for a simple load of a single transformer, the load rate is generally about 85%, so the above example, the transformer capacity = 1000/85% = 1176KVA, select 1176KVA above capacity transformer. If it is a single motor, due to the starting current, even if the measures taken, but also increase the corresponding transformer capacity. If the three-phase imbalance, but also a corresponding increase in transformer capacity.

Q:I am powering a lighting system with a mixture of SCR dimmers and HID lamps. I am pulling approx 285 amps/leg at 120/208V through a 150 kVA transformer. The 120/208V service coming from that transformer is indicated to be 400A/leg, but it seems to get pretty hot at 285A.: Three phase transformers are given a power rating which is the sum of all three powers on each phase. So 285 amps on each phase at 120 line to neutral (assuming this is how youve them connected) is about 35kva, so about 100kva all up. What is actually on the name plate of the transformer? How hot is 'pretty hot'? Is it running as it was desinged (oil, dry, forced air cooling etc). Also how are your lamps/dimmers wired? The other answer is correct, the dimmers will produce alot of harmonics. The meter your are using to read the current is most likely designed to read a 60hz sine wave, any other stuff there will cause a wrong reading (they usually measure the average value, then apply a correction factor to obtain the rms value. But this factor depends on the wave shape, if its not a sine wave it will be wrong). See if you can obtain a meter that will measure the true RMS current. Transformers of that size are usually heavily over engineered, it should be fine as long as the tempertature doesnt continue to increase, ie to the point where the case is too hot to touch. As the other answer said it is probably rated for continuous operation at about 75 degrees. Id not worry too much as long as the temperature doesnt continue increasing.

Q:Do you think transformers is a good movie?Whos your favourite team autobots or decepticons?Whos your favourite transformer?And whats the best scene in the film?: Not bad.My brother is intersted in it very much.

Q:I think it will. Michael Bay who doing the movie has a history of messing up classics. Godzilla is my prime example. So, what do you think? Transformers the movie: Good or Bad?: Well, unfortunately you have some facts wrong, so chances are you may not like the movie you are going to see, because you are not sure what movie you are talking about. Godzilla was directed by Roland Emmerich of Independence Day fame. Michael Bay did not direct that movie. MIchael Bay has been associated with much better movies such as Armageddon, The Rock, Bad Boys and Pearl Harbor. Okay, maybe Pearl Harbor wasnt that good, but the rest of them are a hell of a lot better than Godzilla. About Transformers, no, it will not suck. See, there is someone else involved in the movie who wont let it suck. Steven Spielberg. With those two involved, and yes I realize that Spielberg is only Executive Producer but he is still very involved, this movie is going to be great.

Q:1.Transformers are normally used to step up or step down alternating voltage or current. May dc also be used to step up or step down voltage or current? Motivate your answer?2.The supply voltage of a step down transformer is 240 volts and the winding ratio is 4,8 : 1. If there are 2000 turns on the primary winding calculate:2.1) The number of turns on the secondary2.2) The primary current when the secondary current is 15 A3. Calculate the secondary voltage of a transformer with supply voltage of 415 volts, the winding ration is 36 : 14.Can an Autotransformer be used to step up pulsating dc current? Motivate your answer.: A transformer works on the precept of induction. The essential coil of the transformer induces a voltage in secondary coil propotional voltage utilized to it. For this to happen there must a various magnetic flux produced with the aid of the primary coil. Due to the fact that U deliver a DC voltage, magnetic flux produced through the pri coil is zero on account that that the frequency of a DC is zero (be aware: The magnetic flux produced is straight propotinal to the applied frequency) as a result a DC voltage can not be stepped up or down but a pulsating DC will also be tried.

Q:can someone please give me transformers war for cybertron ps3 controlls: Don't know

Q:The difference between the reflection impedance of the ideal transformer and the hollow core transformer is different.: The reflection impedance of the hollow core transformer reflects the influence of the secondary circuit on the primary circuit through the mutual inductance. The reflection impedance is in series with the self-impedance of the primary circuit. The reflected impedance of the air-core transformer is opposite to the reactance characteristic of the secondary circuit impedance.

Q:High-rise residential basement transformer noise is too large, how to solve, whether the need to shift, there is no other way to solve! Thank you as much as possible! If you have to do this project also please educated us!: Since it is installed in the basement of high-rise residential, the transformer must be dry-type transformers. First check the fasteners on the transformer and re-tighten if loosened. Especially the core of the upper and lower clamp, if loose, can not clamp the core noise will be significantly increased. In addition, if the installation of the foot is stable, etc. also check it. Note that the transformer must be de-energized when checking and tightening, and then ground properly. If you really can not reduce the noise of the transformer itself, take sound insulation measures can also have a very significant effect. For example, in the transformer room wall paste sound-absorbing panels. Or install a cushioning rubber pad underneath the foot of the transformer. If you want to achieve better results you can use a special shock absorber to the top of the transformer, so that it does not directly contact the ground. Can play a very good sound insulation effect (using the above sound insulation measures, basically can make the transformer room next door noise reduction 5 ~ 6dB, or even better)

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