0.4kv Three Phase Cast Resin Isolation Dry-Type Distribution Power Transformer

• Application: Power, Rectifier
• Phase: Three
• Core: Core-Type Transformer
• Cooling Method: Dry-Type Transformer
• Winding Type: Two-Winding Transformer
• Certification: ISO9001-2000, ISO9001
• Model NO.: SCB10
• Usage: Single-Phase Transformer, Rectifier Transformer, C
• Frequency Characteristics: Power Frequency
• Shape of Core: Ee
• Frequency: 50/60Hz
• Rated Power: 15~2500kVA
• Voltage: 0.22~35kv
• Number of Phases: Three Phases
• Core Material: Cold Rolled Grain Oriented Silicon Steel Sheet
• Winding Material: Copper/Aluminum Coil
• Transport Package: Plywood
• Specification: L*W*H
• Trademark: zhibo
• Origin: Guangdong China
• Production Capacity: 3000units/Year

Product Description

       All kinds of Dry-type Transformers are especially applicable for Power plant, High-rise Building, Business Center, Vessel, Port, Station Airport, Petrochemical Plant Railway, Tunnel, Mine Underground, Urban Centralized Residential Quarter which is high demand for fireproofing, explosion  proofing antipollution.


Product Description:
       

     Fireproof, long service life, maintenance is free, safe and reliable, suitable for hotel, high-rise buildings, commercial centers, residential quarters, stadiums, factories, airports, ports, subway, mines and other places.
 

Product Features:

   

• High strength of the whole mechanical cast coil and well withstand sudden short-circuit.
• Strong capability of moisture-proof anti-corrosion, especially suit for working in extreme hard environmental condition, can put into operation without drying process.
• PD small, long service life. As for the coil is casted by vacuuming and under the condition of "positive pressure", so there is no air bubbles between inter-turn and inter-layer, greatly reducing the amount of partial discharge. In addition, the intensity of machine is supper great after epoxy-resin, strong capacity of resistance to sudden short-circuit.
• With impeccable temperature protection and housing guards, has provided a guarantee for the safe and reliable operation of product.
• Coil design and manufacturing:

High-voltage coil like a "cake" structure, improve the inside coil electrical load strength and cooling capacity of product. Low voltage coil use copper foil around the system for reducing the problem of coil end leakage reactance.

• Core manufacturing:

In order to low down the no-load losses, noise and strength of core mechanical, we use WISCO 30Q120 silicon steel sheet materials.
 

Technical parameter:
 

GENERAL TRANSFORMER SPECIFICATION
GENERAL SPECIFICATION
TRANSFORMER TYPE			dry type, cast resin
INSTALLATION			indoor
APPLICABLE STANDARDS			IEC 60076-1
RATED POWER	AN	kVA	63/80/100kva
HIGH VOLTAGE		kV	0.4
HIGH VOLTAGE TAPPINGS (NO LOAD)	%	kV	±2x2.5
LOW VOLTAGE ( NO LOAD)		kV	0.4
HIGH VOLTAGE INSULATION LEVEL	(Um/UAC/ULI)	kV
LOW VOLTAGE INSULATION LEVEL	(Um/UAC/ULI)	kV	1 , 1 / 3 / --
FREQUENCY		HZ	50 or 60
VECTOR GROUP			Dyn11 or Yyn0
NUMBER OF PHASES			3
MAX. AMBIENT TEMPERATURE		C	40
MAX. TEMPERATURE RISE		C	100
MAX. ALTITUDE ABOVE SEA LEVELL		m	1000
PERMISABLE SHORT CIRCUIT DURATION		s	2
GUARANTEED VALUES
IMPEDENCE VOLTAGE (120C)	±10% tolerance	%	4
NO LOAD LOSSES	±10% tolerance	W
LOAD LOSSES (120C)	±10% tolerance	W
STRUCTURAL SPECIFICATIONS
HIGH VOLTAGE WINDING CONDUCTOR MATERIALS			Cu
LOW VOLTAGE WINDING CONDUCTOR MATERIALS			Cu
ENCLOSURE			depends on the requirement
DIMENSION and WEIGHT
LENGTH /WIDTH / HEIGHT		mm	L / W / H
TOTAL WEIGHT		kg
ACCESSORIES
COOLING FANS
TEMPERATURE CONTROLLER
ENCLOSURE
LIFTING LUGS

Company Profile:
     

    There are a number of design experts in our company who could design according to the specific conditions of the equipment used by various steel companies, and they are well experienced in the design of special rectifier transformers and other products for power supply power transformers used in steel rolling projects. It can also ensure that the design has sufficient large load short-term overload tolerance. For the design and manufacturing process of rectifier transformers, we pay more attention to the factors that may occur due to the frequent impact of current and voltage for a long time due to the steel rolling process. It is clearly stipulated: "Designers are also supervisors in the production process" to ensure that the supplied equipment satisfying continuous production of steel rolling operations.
      The guarantee of product process quality not only depends on the design and manufacturing process, also on advanced production equipment, perfect testing methods and well experience production technicians.

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