SGB 10H grade insulating dry-type power transformer

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S (G)B 10H grade insulating dry-type power transformer

1. Model

S------------------------------three phase
G -----------------------------non-encapsulation dry type
B----------------------------- LV foil coil
10 ----------------------------- performance code
□----------------------------- rated capacity (KVA)
□----------------------------- rated voltage（HVKV）

2. General

SG10 type-this series dry-type distributing transformer has strong withstanding of thermal shock, overload capability. Beside, it has many good points such as flame-retardant, low-loss, and low partial discharge capacity, low noise, no harmful gas and no pollution. It is insensitive of humidity and dust, compacted, no crack and so it is easy to be maintained. Therefore, it is suitable for the using in the adverse circumstances of high requirement for fire protection, high degree of load fluctuation and dirty, moist, such as airport , power plant, metallurgy, hospital, skyscraper, shopping center, and residential areas and other special environments like oil, chemical industry, nuclear plant, nuke, etc.

1. Technical parameters

Rated capacity (KVA)	Voltage group(KV)		Connection method	Dissipation (KW)		No-load Current (%)	Impedance voltage (%)	Insulating level	Weight (kg)
Rated capacity (KVA)	High- voltage	Low- voltage	Connection method	No-load	Load (145℃)	No-load Current (%)	Impedance voltage (%)	Insulating level	Weight (kg)
100	11 10.5 10 6.6 6.3 6	0.4	Dyn11 or Yyn0	0.40	1.88	2.4	4	H/H	520
125				0.48	2.13	2.0			650
160				0.56	2.55	1.8			740
200				0.62	3.10	1.8			850
250				0.72	3.60	1.8			1005
315				0.88	4.60	1.8			1270
400				0.94	5.40	1.8			1465
500				1.16	6.60	1.8			1730
630				1.35	7.90	1.6	6		1840
800				1.52	9.50	1.6			2170
1000				1.76	11.40	1.3			2390
1250				2.08	12.50	1.3			2990
1600				2.44	13.90	1.3			3830
2000				3.32	17.50	1.2			4380
2500				4.00	20.30	1.2			4930

Q: I have a 120v-36v transformer hooked up to a bridge rectifier composed of 4x IN4004 diodes, 2 filter capacitors and a 100k resistor paralleling them as a bleeder resistor. The rectifier puts out the full 50v DC I expect it to, but at the same time the transformer faintly vibrates (you can only really tell if you touch it), and over time it gets quite hot. Why is this? I have checked over my connections quite a few times and I am 99.9% sure its all connected properly.: Since you are getting the correct voltage from the transformer+rectifier+filter, the most likely reason the transformer is heating is that it is has been designed with the least amount of wire that can possibly do the job, and thus the resistive losses are fairly high in the primary winding (the winding connected to 120 V). If you will be drawing a lot of power from the supply, you should ensure adequate ventilation for the transformer for cooling. Most transformers have a strap that can be mounted to a metal case to help dissipate some of the waste heat. If the excess heat is a problem, you might consider upgrading to a higher wattage transformer. Be sure to check the output voltage under load - it won't be nearly as high as when there is no load connected. The vibration may be due to low quality lamination in the metal transformer core, or loose windings, or both. (The transformer core is made up of thin strips of iron that are insulated from each other, usually with a thin lacquer coating. Quality transformer cores will be very tightly laminated.) The vibration/noise is consistent with the apparent low quality of the transformer, but should not be a problem.

Q: How to test E-I Transformer having 10 terminals (pins) 5 on each side ? thanks: With an ohm meter determine the resistance of each winding.Resistance will be determined by wattage(input) of xformer

Q: When the transformer voltage is a rated voltage, the secondary voltage in the end is how to change with the load, what is the basis for the theory of the way you ask you about the inrush: 2 excitation current characteristics When closing the circuit breaker to charge the transformer, sometimes you can see the transformer ammeter pointer put great, and then quickly return to the normal no-load current value, the impact current is usually called the inrush current, features are as follows: 1) The inrush current contains high-order harmonic components (mainly secondary and tertiary harmonics), so the variation of the inrush current is a steep wave. 2) The attenuation constant of the inrush current is related to the saturation of the core. The deeper the saturation, the smaller the reactance and the faster the attenuation. Therefore, at the beginning of the moment decay quickly, then gradually slow down, after 0.5 ~ 1s after its value does not exceed (0.25 ~ 0.5) In. 3) Under normal circumstances, the greater the capacity of the transformer, the longer the duration of attenuation, but the general trend is the inrush current decay rate is often slower than the short-circuit current attenuation. 4) The value of the inrush current is very large, the maximum rated current of 8 to 10 times. When setting up a circuit breaker to control a transformer, the quick break can be set according to the transformer excitation current.

Q: I have some questions about some of the transformer toys1)Why is it that the stores never put out some of the action figures I'm looking for like Ironhide and Starscream2) Why am I seeing a bunch of voyager class Ratchets and deluxe class autobot wheelie on shelves in every store i go to that sells transformers stuff3) Why do stores put on there shelves either a bunch of leader class optimus primes, or a bunch of leader class megatron and there's barely any jetfires 4)where do you think is the best place to buy transformer figures, toy R us, walmart, target, ETC, but don't say internet5) this last one is just your opinion and its what do u think is the worst figure you have or is in your collection and tell me why, for me its voyager class the fallen, because getting him was really hard and he's not even worth being that rare.So those are my questions, i hope you can answer them all and thanks: Sorry Koda you're incorrect! they do no longer remodel into robotic, regrettably. the only one that combine and have a robotic and alt mode are the legend figures as for now and overload will join the mixture interior the legend mixture. desire it enables. P.S.- the image of the hyperlink is the ideally suited classification that fee $a hundred

Q: dear sircan you please tell me the different Between the indoorr and outdoor distributionn transformer 11kv in applications and designwith our best regards: To be honest, I don't believe that's correct

Q: Exactly what is the storyline of the Transformers. As far back as I know, there were two brother, Unicron and Primus who fought each other because Unicron wanted to suck up Universes. But where did these two come from? Does it even say?: I am a fan but I haven't been able to find that out myself, if you find out let me know.

Q: can any one give me a fast time line of transformers history: The gods Primus and Unicron nearly destroy the universe fighting until Primus tricks Unicron by imprisoning them both in metal planetoids. Unicron becomes giant transforming world devourer and Primus becomes Cybertron, bringing to life the transformer race that will fight Unicron in his stead. The robots of Cybertron eventually begin civil war which go on for millions of years, the evil Decepticons vs the heroic Autobots. Unicron finds Cybertron, the Autobot leader destroys him with the Matrix, the transformers fulfill their destiny. Their war continues until Cybertron is nearly depleted so the planet is reformatted and the race adopt Maximal and Predacon castes. New wars begin until balance is struck and Cybertron becomes technorganic paradise

Q: Hello everyoneA 240-110 stepdown transformer is used with quite a lot of equipement in my home and I have recently become a bit concerned about the effects that they have on the equipement.Thanks to some web page I stumbled across saying that transformers can 'overheat' your equipement etc.And since most transformers aren't made by any big name brands, there really isn't a way to tell if the one in posession is a 'high quality' one or not.So my question is, do transformers actually damage your equipement?Anyone have expertise in this area?Thank you very much.: Check the Wattage consumption of your equipment, it should not exceed the wattage output of your transformer.

Q: I think the power supply to my external hard drive has failed. Is there anyway I could replace the transformer. There is no way to contact the manufacturers as they have the worst customer services ever (Formac). I have emailed them 5 days ago without a reply.: Im assuming you are just talking about a plug in adapter with the transformer built in. If you look on the face of the transformer pack it should give you a VA rating and a voltage rating. You can buy a new one as long as you match the numbers. Hope this helps.

Q: Transformer three-phase imbalance which harm: There is no obvious harm to the transformer, but will limit the capacity of the transformer can not get 100% play. For example, A-phase current close to the transformer rated current, B, C-phase current only 10% of the rated current, but then the transformer can no longer take any three-phase power equipment, limiting the capacity of the transformer.

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