120000kVA Three Phase Oil Power Transformer 230kv 161kv 33kv Distribution Transformers on Load Tap Changer

• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio, Power Plant, Power, Electronic, Instrument, Lighting, Rectifier, Audio, Power Plant
• Phase: Three, Three
• Core: Amorphous Alloy Transformer, Amorphous Alloy Transformer
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: SFZ 120000/230/35KV
• Cooling Method: Oil-immersed Type Transformer, Oil-Immersed Type Transformer
• Winding Type: Customized, Customized
• Certification: ISO9001-2000, ISO9001, ISO9001-2000, ISO9001, ISO9001-2000, ISO9001
• Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer, Single-Phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer, Single-Phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: 50Hz 60Hz, 50Hz 60Hz
• Shape of Core: Ring, Ring
• Brand: Ville, Ville
• Test Certification: Kema Transformer Test
• Transport Package: Wooden Cases
• Specification: IEC Standard
• Trademark: ville
• Origin: Ningbo
• HS Code: 8504231200
• Production Capacity: 1/6monthes

Product Description

Product introduction:
Power Transformer 230-242kV on-load-tap-changing power transformer is made of high-quality silicon-steel sheets, and laminated by steps.
t is advantageous in low loss, low noise, low voltage partial discharge and high anti short-circuit capacity. The dynamical and thermal stability
of this transformer, of which the coils are winded by high-quality oxygen-free copper wire as well as used pre-compressing brackets
processes and interior and exterior structure. The transformer tank used wave form shell, has very nice appearance, the core is with D shape
yoke and 45 angle seaming. The core and oil box are well fixed and well protected on moving.

Three-phase dual winding oil immersed power transformer with OLTC


Technical parameters:
Type: SFZ-120000/230
Rated voltage: 230/34 kV
Rated capacity: 100000/120000kVA
Rated voltage ratio: 230± 8× 1.25%/34kV
Rated current: 301/2038A
Phase number: Three
Rated frequency: 50 Hz
Connection: Ynyn0(d11)
Voltage regulating method: Neutral point on-load Regulating
Short circuit impedance: 9.5%(10MVA)
Cooling mode: ONAN/ONAF

 

Description:	Lightning impulse withstand voltage(kV peak value)		1minMain frequency withstand voltage (kV RMS)
	Full wave	Chopped wave
High voltage side	1050	1175	460
Neutral point of high voltage	(1050)		( 460 )
Low voltage side	170	185	70
Neutral point of low voltage	170		70

Insulation Level: A                                                                                                                                        
Field strength between transformer winding turns is no more than 2kV/mm                   
Transformer loss (under 75) no-load current and efficiency                                                             
            No-load Loss: 92 kW              According to IEC standard
            Load Loss: 356 kW                According to IEC standard                                                                                        
            No-load current: 0.3 %          According to IEC standard                                                                          
Radio interference and corona
Under the Maximum phrase voltage, corona is not visible from outgoing terminal in the night of clear day at outdoor. Radio interference
voltage is no more than 2500Uv                                                              
Overloading capability                                                                                                                                    
Short-time overloading capability of transformer and overload running time are as follow:

Over current	30	45	60	75	100
Allowable running time min	120	80	45	20	10

Cases reference:


Production line:

Referenc transformer runing on the buyer's site :

PACKING AND SHIPPING :

Our Best Service For You

1.	Pre sale service
a.	make technical solution
b.	send quotation, technical data sheet and drawing
c.	prepare power transmission plan, testing plan and shipment plan
2.	In sale service
a.	supervise the manufacturing schedule totally in accordance with the plan
b.	send photos to customer during every manufacturing process(hold point)
c.	inform the customer one week before testing.
3.	After sale service
a.	installation and commissioning, training the workers
b.	quick response within 12 hours any time
c.	provide 12 months guarantee period normally.

FAQ For You