S9 Series Distribution Transformer

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Shanghai
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1000sets set/month

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Product Description:

This kind of product feature has high efficieney and low consumption. It can save a lot of power consumption and operating costs The new S9 Serier transformer is impoldered on the bas's of the 10KV Distribution transformer. It accords with the GB1094-96,GB/ T6451-99,IEC76 strandard.

Rated capacity (KVA)Voltageconnection group tabLossunload current(%)resistant voltageweightMeasure(MM)Distance of Din rail
high-voltage(kv)extend connectionlow-voltage(kv)unloadloadempty weightoil weighttotal weightlength(L)width(W)height(H)cross(M)×length
10

6
6.3
10
10.5
11

±5%
(±2×2.5%)
0.4Yyn0
or
Dyn11
653303.549035150760400950350×350
201054803.013560225885400955350×350
3013060021180702859853801015400×400
5017087020230753509855101035400×450
6320010401.92859043010604651135400×450
8025012501.82959547510107751070400×450
10029015001.633010052010107401095400×450
12534018001.538011060010407701135400×550
16040022001.444012068512357351165550×550
20048026001.351513580012807651210550×550
25056030501.261016094013458001315550×550
31567036501.1715180110513958501375660×660
40080043001.0880205131014358201460660×660
50096051501.01005230151515259651450660×660
630120062000.94.511552651770161510801615660×660
800140075000.814203152160170011201705820×820
10001700103000.715804252520175011401880820×820
12501950120000.619404953040185012451835820×820
16002400145000.623555603800186512852020820×820
20002600170000.55316575549502300116523051070×1070
25003000207000.53880130065802440131524901070×1070

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Q:800KVA transformer itself is the loss of how much?
S9 type oil change 800kVA no load loss 1400 watts load loss 7500 watts S11 type oil change 800kVA no load loss 980 watts load loss 7500 watts
Q:2500KVA transformer bearing current how much calculation
Did not give the voltage data to transformer primary and secondary side rated voltage 10KV / 0.4KV as an example: Primary side rated current: I = P / 1.732 / U = 2500 / 1.732 / 10 ≈ 144 (A) Secondary side rated current: I = P / 1.732 / U = 2500 / 1.732 / 0.4 ≈ 3609 (A)
Q:What is the meaning of the transformer 'turns ratio'? what's the effect?
The turns ratio of the transformer is the ratio of the transformer, that is, the ratio of the turns of the original coil and the secondary coil. Role: reflects the original transformer, vice coil voltage RMS ratio. In the case where the no-load current is negligible, the magnitude of the original and secondary coil current is inversely proportional to the number of turns. For example, 220 volts to 10 volts voltage ratio is 220: 10, turns ratio should also be 220: 10, such as the primary is 2200 laps, the secondary should be 100 laps. Multi-turn ratio is the number of turns of the secondary output and the primary correspondence. A variety of turns ratio is to allow a sensor device is used for a variety of heat treatment process. 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. The main functions are: voltage conversion, current conversion, impedance conversion, isolation, regulation (etc., according to the use can be divided into: distribution transformers, power transformers, sealed transformers, modular transformers, dry transformers, Single-phase transformers, electric furnace transformers, rectifier transformers, etc. Transformers are the use of electromagnetic induction principle to change the AC voltage device, the main components are primary coil, secondary coil and core. The main functions are: voltage conversion, current conversion, , Isolated, regulated (etc.) by use can be divided into: power transformers and special transformers. Circuit symbols commonly used as the beginning of the number. Example: T01, T201 and so on.
Q:A 8000kva transformer can bring the maximum load
P = 8000 × (60% to 80%) × 0.95 = 4560 to 6080 kW       Apparent power capacity is more suitable than the power factor for the load range Maximum load: Pmax = 1.2 * S = 1.2 * 8000 = 9600kW
Q:630KVA transformer can use the maximum number of power appliances
600KVA box can generally increase the number of households with electricity
Q:What is the unit of the transformer?
Power transformer capacity unit with KVA, that is, as the power. Most of the power load is inductive load, its apparent power is equal to the sum of active power and reactive power vector. Therefore, the apparent power of the inductive load is greater than the active power. If the active power transformer, the apparent power of the inductive load is greater than the power transformer capacity, the load current to exceed the allowable value of the transformer, so the inductive load must use the apparent power transformer. If the transformer load is all the resistance load, the total power can be equal to the transformer KVA value.
Q:Transformer insulation level L175 AC35 / 5 What does it mean
2, the insulation level of the transformer is according to the high pressure, medium voltage, low voltage winding sequence listed in the tolerance voltage value (the impact level in the former), during which separated by a slash. The neutral insulation level of the graded insulation is followed by a horizontal line at its wire end insulation level. Such as: LI850AC360-LI400AC200 / LI480AC200-LI250AC95 / LI75AC35. Meaning: 220KV three-side insulation of the main transformer, high-voltage side of the lead-side lightning impulse withstand voltage is 850kV, power frequency withstand voltage is 360kV, high-voltage side of the neutral point of the terminal lightning impulse withstand voltage is 400kV, power frequency resistance The voltage is 200kV;
Q:Three-phase three-winding transformer high-pressure medium-pressure low pressure is what it means
Hello! Transformer high voltage, medium pressure, low voltage, respectively, refers to the three groups of winding (rated) voltage level. For example: 220kV voltage level of the transformer: the 220kV high voltage side, 110kV pressure side, 10kV low voltage side of the three groups of voltage levels of the composition. Depending on the needs of the manufacturer, manufacturers may also be required to produce windings for other voltage classes. Such as: by the 220kV high voltage side, 35kV in the pressure side, 10kV low voltage side of the three groups of voltage levels of the composition. 500kV voltage level of the transformer: generally by the 500kV high voltage side, 220kV medium voltage side, 35kV low voltage side of the three groups of the composition of the voltage level winding.
Q:50KVA transformer each phase current maximum band
Transformer output power is apparent power, and active power (KW) relationship: apparent power = active power × power factor. With an average power factor of 0.8, the 50 KVA transformer can be the load power (50 KVA × 0.8) 40KW of active power. 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.
Q:Transformer three-phase imbalance which harm
1, when the line is not full-phase operation, the zero sequence current is equivalent to the load current, then the line with its adjacent line zero sequence current may be large, even greater than the zero sequence backup protection settings, if not quickly cut Non-full-phase operation of the line, it may lead to adjacent line malfunction, leap-off; 2, for 220kV and above generator transformer group and machine-side circuit breaker, due to non-full phase operation during a larger negative sequence current, the generator, the transformer may cause a greater damage to the equipment.

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