Rectifier Transformers of ZS9 ZSF9 ZSZ9 ZSG9 Series

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1. Product Description:

ZS, ZSF,ZSZ, ZSG series rectifier transformers are widely used in controlled siliconrectifier power supply and silicon rectifier power supply. They are mainly usedin aluminum, magnesium and zinc smelting, nitric acid, chemicals, pesticides production,electrolysis, electroplating, and traction etc.
There is electrostatic shielding between primary and secondary coils (networkside to valve side) can be electro statically shielded.

The rectifier transformer with two secondary windings and phasedifference of 30°, 15°, and ±7.5 ° for 6-phase and 12-phase rectification canbe designed and produced for users.

 

2. Product Characteristic:

l  Ambient temperature :-30—40

l  Mean annual temperature is +20and below +20(if it’s water-cooling product,  the highest daily average temperature of cooling-water is +25)

l  Altitude is not more than 1000m.

l  Installation site should be without seriousvibration, bumps and chemical corrosion,

 

3.Specification

Provide product specification code and usage (load type).

Tap range, connection symbol, short-circuit impedance.

Special environment should be informed such as altitude, chemicaldeposition, dirt, corrosive media, etc., for dry-type transformers insulation shouldbe provided.

Special products can be designed and manufactured according to customer’special requirement.

for indoor and outdoor use.

Voltage grade: 6-35kV,

Frequency: 50-60Hz

Capacity: 30-20000kVA

 

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Q:2500KVA transformer bearing current how much calculation
2500KVA transformer carrying current of 7740A. The calculation method is: Because P = UIcosφ, so I = P / (Ucos?) = 2500 KVA / (380 Vx0.85) = 7740A. 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 use can be divided into: power transformers and special transformers (electric furnace change, rectification, frequency test transformer, voltage regulator, mine variable, audio transformers, IF transformers.
Q:What is the difference between the main transformer and the transformer used?
1, the so-called main transformer or (plant) with transformers are transformers, but according to their use of different names. The so-called main transformer: generally in the power plant or substation are so called, its function is for the system through the required level of power transformer; the so-called (factory) with the transformer is inside (power plant interior) Electrical equipment to provide power transformer. 2, the (plant) with the transformer power supply connected to the main transformer on the same bus, and some received another external power supply, so that when the main transformer can be maintained when the maintenance (plant) to continue to have power!
Q:What is the vacuum impregnation of the transformer?
so that the transformer immersed in vacuum under the conditions of the paint, so you can rule out the bubble inside the winding, increase Insulation performance. Dip out after drying.
Q:Transformer tap adjustment there are several ways? What are the advantages and disadvantages?
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:What is the meaning of the transformer without excitation?
No excitation refers to the transformer should be off the state of the power regulator, and his relative to the excitation voltage regulator should be on-load regulation.
Q:How many transformers are used in a hundred households?
In accordance with the current design standards, high-end community, each household 30kW; mid-range community, each household 15kW; ordinary community, each household 6kW.
Q:What are the serious consequences of transformer circulation?
Two parallel transformer transformer ratio is not equal, the two transformers due to the same phase between the phase difference generated by the circulation, the size of the flow of two transformers to determine the size of the difference, according to the magnetic potential balance, although the two transformers Side of the same power supply, but due to the secondary side of the pressure cycle, two transformers will also produce a circulation at the same time.
Q:Transformer parameter interpretation
Transformers in the provisions of the use of the environment and operating conditions, the main technical data are generally marked on the transformer nameplate. Mainly include: rated capacity, rated voltage and its tap, rated frequency, winding connection group and rated performance data (impedance voltage, no load current, no load loss and load loss) and total weight. A, rated capacity (kVA): rated voltage. Rated current under continuous operation, can deliver capacity. B, rated voltage (kV): the transformer can withstand long hours of operation can withstand the voltage to meet the needs of the grid voltage changes, the transformer has a high voltage side tap, by adjusting the number of high voltage winding to adjust the low voltage side of the output voltage.
Q:Transformer ONAN?
Transformer ONAN cooling method for the internal oil natural convection cooling, that is commonly referred to as oil-immersed self-cooling. The cooling mode of the transformer is determined by the cooling medium and the circulation method. Since the oil-immersed transformer is also divided into the internal cooling mode of the tank and the external cooling mode of the tank, the cooling mode of the oil-immersed transformer is represented by four letters. The first letter: the cooling medium in contact with the winding. O -------- mineral oil or ignition of more than 300 ℃ of insulating liquid; K -------- Insulation liquid with ignition point greater than 300 ℃; L -------- ignition can not be measured insulation liquid; The second letter: the way the internal cooling medium is circulated. N -------- The oil flow flowing through the cooling equipment and the windings is a natural thermal convection cycle; F -------- The oil flow in the cooling equipment is forced to circulate and the oil flow flowing through the windings is the thermal convection cycle; D -------- The oil flow in the cooling equipment is forced to circulate, at least in the main winding oil flow is forced to guide the cycle; Third letter: external cooling medium. A -------- air; W -------- water; The fourth letter: the way the external cooling medium is circulated. N -------- natural convection; F -------- Forced circulation (fan, pump, etc.).
Q:Proteus transformer how to adjust the parameters, the 220V into 14V output.
2, in the Proteus simulation diagram, double-click the transformer symbol, open the transformer parameter settings dialog box, which                 Primary Inductance 1H (set: can be fixed)                 Secondary Inductance 0.00406H (set by press)

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