KS 9 series power transformer for mining

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KS 9 Power transformer for mining

1. Application

Thelow-loss oil-immersed power transformer for mining of KS9 series is applied to voltageof 6-10kV, frequency of 50-60Hz, rated capacity of 50-630kVA. It can beinstalled in mines and no explosive site with dust and gas for dragging inmines, illuminating and power transmission & distribution.

2. Model

KS 9 series power transformer for mining

3. Technical parameters

Type	Rated Capacity （kVA）	Rated voltage （kV）		Loss （W）		Impedance of short-circuit （%）	No-load current（%）	Label of connecting group	Weight（kg）			Outline Dimension L x W x H （mm）	Gauge（mm）
Type	Rated Capacity （kVA）	HV	LV	No- load	Load	Impedance of short-circuit （%）	No-load current（%）	Label of connecting group	Body	oil	Total weight	Outline Dimension L x W x H （mm）	Gauge（mm）
KS9-50/6	50	6±5% 10±5%	0.4 0.69	170	870	4	2.0	Yy0 Yd11	221	92	410	1165×761×922	500/230
KS9-100/6	100			290	1500		1.8		334	128	610	1195×792×1027	520/260
KS9-200/6	200			480	2600		1.5		539	192	960	1380×828×1139	650/300
KS9-315/6	315			670	3650		1.4		746	235	1265	1625×970×1222	650/300
KS9-400/6	400			800	4300		1.3		850	268	1510	1640×980×1330	600/276
KS9-500/6	500			960	5150		1.2		1085	325	1850	1870×1160×1368	750/260
KS9-630/6	630			1200	6200		1.1		1395	500	2415	2108×1198×1705	660/330

Q: 50KVA transformer maximum load is how much?: Transformer output power is apparent power, and active power (KW) relationship: apparent power = active power × power factor. The average power factor of 0.8, 50 KVA transformer can be load power (50 KVA × 0.8) 40KW of active power.

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.: As Bill R says for working it out. As to how to answer in an exam, First write what is known, and what is wanted down. Write the appropriate equation(s) down and substitute values/simplify equation down as far as possible, you haven't been given all the information required to get that answer in the question. If you don't have all the data provided, and aren't expected to make assumptions then I'd argue the correct answer is actually the formulae produced when you've correctly put all that known in. But quite often you ARE expected to make reasonable assumptions. Sometimes an exam might have a cover page with assumptions to be made (if you don't make them you'll not get the answer right) sometimes you've just got to know how to make reasonable assumptions without being told. as it's 60Hz mains you're probably in the US. I'm in the UK so would it be reasonable for me to assume 50Hz mains if I were sitting the exam here? In cases where you have to make assumptions, it's usually a good idea to then state you are making an assumption. I suggest showing the difference which can happen if f is at least two different values eg finish with assuming f50Hz as mains is in the UK, then C needs to be C1followed on the next line by assuming f60Hz as mains is in the US, then C needs to be C2If you were feeling a little annoyed at those who wrote the exam, and wanted to make your point extra clear you might even throw in the case of f 120Hz. I believe many aircraft alternators generate AC at that f. Ask your teacher/lecturer about what kind of assumptions you might be expected to make. If they skirt around the issue maybe quote some Charles Babbage, and hope they laugh at the sarcasm ' On two occasions I have been asked,—Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out? I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.' —Charles Babbage, Passages from the Life of a Philosopher

Q: I wanted to watch the transformers cartoons but because there is so many I don't know which to watch first, seconds etc.Can you please tell me in order which to watch?I'm watching Transformers Season 1 episode 1 atm.THANKS: G1 or Generation One is the original (first)1984 Transformers SeriesWhen watching G1 the order goes this way to make sense of it 1.Season One 2.Season Two 3.Transformers The Movie (1986) 4.Season 3. 5.Season 4 (Rebirth only 3 episodes) 6. Then the Japanese take over the series (It ignores the events of the Season 4 and creates its own starting point) Transformers The Headmasters Transformers Super God Masterforce Transformers Victory Transformers Zone 7. G2 (From the 90's is G1 just repackaged with crappy computer effects) 8. Beast Wars (follows the G1 storyline with there future ancestors) 9. Beast Machines (Beast Wars countinued) each series after these are basically their own thing .unrelated.except the Unicorn Trilogy (Transformers Armada, Transformers Energon, and Transformers Cybertron.)

Q: I want my car to be a transformer: My Penis Transforms!

Q: If load loss of a transformer at full load is 100kW, the load loss at 50% load will be a) 50kW b) 75kW c) 25kW d) 100kW. i think its 25kW because load loss is inversely proportional to the square of loading percent. kindly explain . is it right.: Yes this is right. There are two losses in a power transformer: iron losses and copper losses. Iron losses in the core depend on the flux (hence the voltage) and the frequency. The copper losses come from I^2*R losses in the windings, so they depend on the load current. The flux in the core doesnt change when we change the load, only the current through the windings, so your reasoning is correct.

Q: What is the transformer capacity ratio? Capacity than 100%.: The ratio of the maximum capacity to the minimum capacity. The ratio of capacity to 100% is the ratio of maximum capacity to minimum capacity of 1: 1.

Q: given that volts x amps watts why dont they just rate a transformer by kilowatts. I havent been able to link the logic behind rating a transformer by KVA, but there must be a reason. If you think you can help me I am eager to learn and will appreciate your help.: Kilovolt Ampere

Q: 10 (6) /0.4kv three-phase transformer what does it mean: Three-phase five-column core transformer must be used YN, yn0, yn0 connection, in the transformer must be connected into the angular connection of the fourth winding, it is not out of the beginning (the structure to do the electrical test when the lead is not This case). 5). When the transformer of different connection group is running in parallel, the general rule is that the connection group label must be the same. 6). When the distribution transformer is used in the multi-mine area, the Yzn11 connection method can be used. When the z-connection method is adopted, the impedance voltage algorithm is different from the Yyn0 connection method, and the copper consumption of the z-way winding is more. Yzn11 connection distribution transformer lightning protection performance is better. 7). Three-phase transformer with four volumes when the core frame can not be used YNy0 connection. 8). These are used for the domestic transformer connection, such as the export should be required to supply the appropriate connection and connection group label. 9). Generally in the high-voltage winding are connected with the tap-changer. Therefore, when selecting the on-load tap-changer (including the on-load tap-changer and the off-circuit tap-changer), it must be noted that the transformer connection and the on-load tap-changer (including connection, test voltage, rated current, Level voltage, voltage range, etc.). YN connected to the on-load tap-changer used on-load tap-changer, it is also important to note that the midpoint must be able to lead. ?The answer is recommended by the questioner

Q: I personally thought transformers was worse but very similar to the avengers.: Transformers

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.!: You could use a large capacitor. A resistor or constant current source charges the capacitor for e.g. 10s at 1mA. Then you can discharge it at 10mA for about 1s. If you need a lot of current and a lot of voltage, a battery will do the same. Lead acid batteries will give you insane currents (hundreds to thousands of amps) for seconds to minutes. That's how your car's starter gets powered.

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