Type Fv on-Load Tap Changer

• Type: Type Fv on-Load Tap Changer
• Certification: ISO9001
• Brand: Wukai
• Transport Package: Composite Wood Crating
• Origin: China

Product Description

1. Overview
FV series on-load tap changers are suitable for power transformers or industrial transformers with a rated voltage of 35 to 110 kV, a maximum rated through-current of 200 A, 350 A, 500 A for three-phase, 200 A, 350 A, 500 A, 700 A for single-phase, and a frequency of 50 to 60 Hz, and for transforming the taps to achieve the purpose of voltage regulation under load.
2. Technical data 

Designation		FVI(III)200			FVI(III)350			FVI(III)500
Max. rated through-current Ir (A)		200			350			500
Phase		1	3	3	1	3	3	3	3
Connection Methods		-	Y	Δ	-	Y	Δ	Y	Δ
Withstand short-circuit capacity (kA)	Thermal stabilization (3s)	4			5			7
	Dynamic stabilization (peak)	10			12.5			17.5
Max. rated step voltage	10 contact	1500			1500			1500
	12 contact	1400			1400			1400
	14 contact	1000			1000			-
Rated step capacity (kVA)	10 contact	300			525			400~525*
	12 contact	280			420			325~420*
	14 contact	200			350			-
Number of tap positions (max.)		Linear modulation:14    Forward and reverse (thickness) modulation:27						Linear modulation:12  Forward and reverse (thickness) modulation:23
Ground isolation(kV)	Insulation grade	35						60
	Highest voltage for equipment	40.5						72.5
	Power frequency test voltage	85						140
	Impulse test voltage	200						350
Seal test	Working pressure	3×10^4Pa
	Test pressure	6×10^4Pa, No leakage for 24 hours
On-load tap-changer weight (without oil)		100~140			120~150			190~200
With motorized mechanism		CDF2
Protecting relay		QJ4-25 Neutralized impact oil speed 1.0m/s±10%

3. Dimensional illustration

FAQ

1. Q: What are your main products?
A: The company has specialized in producing on-load tap changers for more than 40 years, with products covering power transformers, furnace transformers, special transformers, and other industries.
2. Q: Are you a manufacturer?
A: Yes. Our company is a professional manufacturer of on-load tap-changers, with its own factory and production line, covering an area of 20,000 square meters, with over 100 employees, and nearly 100,000 units of products currently operating in the network. We also provide OEM and ODM services.
3. Q: How do you control the quality of your products?
A: We have a complete quality control system for each production process. After the production, all goods will be tested according to the relevant standards, and the factory inspection report will be sent with the shipping documents.
4. Q: What's your payment terms?
A: We usually accept all kinds of payment terms, T/T, L/C, etc.
5. Q: What are your products packaged for transportation?
A: We ship in composite wood crates.
6. Q: What kind of credentials do you have?
A: Quality management system certificate, High-tech enterprise certificate, etc.
7. Q: Can I come to visit your factory?
A: Of course, you are very welcome to visit our factory.