Mining Flameproof Dry-Type Transformer KBSG9

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1000sets set/month

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Product Description:

1.Product description
KBSG9 series mining flameproof dry-type transformersuit for not only mines filled with firedamp mixed gas, grime and explosive gas, but also the gas and steam environment that can not erode metal or destroy insulation. the transformer has the merit of high strength, low temperature rise, good cooling and waterproof property, and easy maintenance.

2.Functional characteristics
Functional characteristics
1.The KBSG9-50-1600/10(6) mining flameproof of dry type transformer conforms to GB82862005 the requirement of “mining flame proof movable substations”, its no load, load loss is 10% less than original standard the no-load current short-circuit impedance has diminished too. 2.The insulation material adopt the H level or the C level insulation material, the thermal is good, it is suit for long time operation 3.3 Phases,50Hz,ANAN 4.High strength, low temperature rise, good cooling and waterproof propert, and easy maintenance.

Service conditions
1.The installation is not higher than 1000m(normal)special environment gives explanation in addition
2.Ambient temperature
Highest temperature: 40˚C
Maximum monthly average temperature: 30˚C
Maximum annual temperature: 20˚C
Lowest temperature: -5˚C
3.The surrounding air relative humidity is not greater than 95%(25˚C)
4.In the mine,with methane, dust explosion danger is well
5.No vibration the gradient is less than 15˚C
6.No gas or steam to corrode metal needed or destroy insulation
7.Non-water drop sit
8.Power supply voltage profile approximate to a sine wave
9.The three-phase supply voltage approximate symmetrical

Scope of application
Mine filled with fire damp mixed gas, grime and explosive gas; the gas and steam environment that can not erode metal or destroy insulation
6KV Mining Flameproof Dry-Type Transformer Technical Specification(KBSG9)

Rated capacity(kVA)Voltage schedule(kV)Vector groupShort circuit impedance(%)Consumption(W)No-load current(%)Weight(kg)Outline dimension(mm±10%)
HVLVNo-load(kw)Load(kw)LengthWidthHeight
KBSG-50/660.693/0.4
1.2/0.693
3.45
Yu0(d11)43505502.51250207511001050
KBSG-80/64507802.51300215011001100
KBSG-100/65209202.51400215011001100
KBSG-160/670013002.01500220011001220
KBSG-200/682015502.02100265011001400
KBSG-250/695018002.02470269011001420
KBSG-315/6110021501.82895283011001410
KBSG-400/6130026001.83260292011001440
KBSG-500/6150031001.53700299011001475
KBSG-630/6180036801.54120305011001550
KBSG-800/6Yu0(d11);Yyn0205045001.05300310011001430
KBSG-1000/6235054001.05700316011001480
KBSG-1250/6Yu0;Yyn0275065001.06600320011001520
KBSG-1600/6335080000.87600326011001570

Rated capacity(kVA)Voltage schedule(kV)Vector groupShort circuit impedance(%)Consumption(W)No-load current(%)Weight(kg)Outline dimension(mm±10%)
HVLVNo-load(kw)Load(kw)LengthWidthHeight
KBSG-50/10100.693/0.4
1.2/0.693
3.45
Yy0(d11)43906802.51250207511001050
KBSG-80/104908802.51300215011001100
KBSG-100/1056010502.51400215011001100
KBSG-160/1080015002.01500220011001200
KBSG-200/1095018002.02200276011001480
KBSG-250/10110021002.02760280011001510
KBSG-315/10130025001.82990284011001500
KBSG-400/10150030001.83430294011001550
KBSG-500/10175035001.53800302011001600
KBSG-630/10200041001.54380314011001410
KBSG-800/10Yy0(d11);Yyn0230051001.25400319011001490
KBSG-1000/104.5260061001.26500324011001530
KBSG-1250/10Yy0;Yyn0310074001.07100330011001580
KBSG-1600/105380085001.08050335011001630


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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. transformer 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:A 8000kva transformer can bring the maximum load
A good transformer can work at full capacity. But affect the service life. It is best to 80% of the power of this transformer is the best.
Q:Taiwan, Taiwan, the concept of transformer
Transformer refers to equipment; Taiwan change is installed in a place of the transformer, is specifically installed, running a transformer; Taiwan area refers to the regional range of variable power supply. Metering point is for the two sides to determine the installation of electric energy meter position, in general, the measurement point should be set at the demarcation point of property rights.
Q:How to increase the transformer output current
1, in the case of load, increase the load, multi-access electrical equipment, you can increase the output current.
Q:100kVA transformer can withstand much of the current? What is its formula?
For safety insurance, the current density is about 3.0, S = 144.34 / 3 = 50 (about) So take the 50 square cable can be.
Q:What is the rated current of the 80KVA transformer?
It depends on how much the rated voltage Formula 1.73X Line Voltage X-Ray Current = Total Power
Q:500KW load should be installed how much transformer?
According to the power factor of 0.9 and 20% of the margin, you need to be equipped with 500 / 0.9 / 0.8 = 694.4, you can take 750 kVA capacity can be. If it is with the motor and other load-based, due to power factor and start-up current reasons, at least 900 kVA more appropriate. If the drive of the motor more than 200 kilowatts, start a large current, you need to put a larger margin or the motor using step-down start mode.
Q:Single bus sub-section for power distribution, transformer with a prepared and dual-use how to understand
One with one: single bus segment switch closed, only one transformer power supply, another standby. Dual use: single bus section switch off, two transformers were powered. Added: Single bus segment wiring form, it is a single bus with sub-section breaker into several sections. Increased reliability and flexibility compared to single-bus non-segmentation. Advantages: 1, two bus segments can be split operation, can also run side by side; 2, important users can be connected to a different dual-circuit busbars, to ensure uninterrupted power supply; 3, any bus or disconnector overhaul, only stop the paragraph, the remaining sections can continue to power, reducing the power outage range.
Q:Power transformer primary current and secondary current
Once refers to the power side, the second refers to the load side
Q:How to understand the secondary side of the transformer
The side of the step-up transformer voltage is called the secondary side Buck side of the transformer voltage is called the secondary side In fact, by the power through the winding to stimulate the magnetic field called the primary side by the magnetic field induced by the energy called the secondary side If the three-winding step-down transformer voltage is the highest side of the second side of the winding is the second side

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