Dry 35/0.4kv Three Phase Cast Resin Transformer

Name: China Customized Dry 35/0.4kv Three Phase Cast Resin Transformer Manufacturers, Suppliers - FENGYUAN
Brand: FENGYUAN
SKU: 190314628

epoxy resin cast dry transformer is cast under vacuum with thin insulating bands automatically. The core is made of a high-permeable grain-orientated silicon sheet and cast with imported epoxy resin. The coil is reinforced with glass fiber and cast under vacuum with filler epoxy resin. It has good mechanical properties, is free of crack and inner bubble, and has a low local discharge, high reliability, and long service life. The high and low-voltage systems are cast under vacuum, thus the coil will not absorb moisture, the clamps of the core are subjected to corrosion-resistant treatment and it may run under high temperature or other serious environments.

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Description

Dry 35/0.4kv three phase cast resin transformer

Advantage

1.Safe, fireproof, no pollution, it can be installed directly in the load center.
2.Free maintenance, easy to install, low total operating costs.
3.With good moisture resistance, it can work normally under the100% humidity. After it stopped operating, the outage without pre-drying can be put into operation again.
4.Low loss, low partial discharge, low noise, good heat dissipation capacity. Under the forced air cooling conditions, it can run at 150% rated load.
5.The equipped perfect humidity protection & control system can provide reliable

Function Characteristics:

1. Flame retardant, non-pollution, it can be installed directly in the load center.
2.Maintenance-free, easy to be installed, low operating costs.
3.The enclosure can be of Good moisture resistance, transformer can be put into operation without pre-drying under 100% humidity in the normal operation.
4.Low loss, light weight and small volume, low noise, good dissipation of heat, it can be 150% rated load operation under forced air cooling conditions.
5.Equipped with a complete temperature protection control system to provide reliable protection for the safe operation of
transformers.
6.High reliability. The results of checking for the products that has been put into operation show that the reliability index has reached the international advanced level.

Structural Characteristics:

Cast-foil Coil: Adopting the entire section of copper foil, together with the F-class turn insulation, low voltage winding is wound by the special low-voltage foil winding machine. The foil coil resolves such understanding problems as large short-circuit stress, uneven ampere turn, poor heat dissipation, existing the winding spiral angle as well as unsteady manual welding quality due to low voltage and large current coil winding products. At the same time, the winding end in our company is treated with resin potting, solidification to make shape, moisture-proof and anti-fouling, the lead copper platoon is automatically welded by argon arc welding.

Temperature Control Device: the transformer adopts BWDK series of signal thermometer. The temperature components, are embedded in the upper half of the low-voltage coil, can automatically detect and dynamically display the work humidity of phase coils and also have the functions of over-temperature alarm and trip.

No.	Conditions		Units	Parameter Values
1	Rated Voltage		kV	10
2	Highest Operating Voltage		kV	12
3	System Neutral Point Earthing Mode			Unearthed
4	Rated Frequency		Hz	50
5	Pollution Grade			d(Ⅲ)
6	System Short Circuit Current Level (High Voltage Side)		kA	20
7	Ambient Temperature	Maximum Daily Temperature	℃	40
		Minimum Daily Temperature	℃	-25
		Maximum Daily Temperature Difference	K	25
		Average Temperature of the Hottest Month	℃	30
		Maximum Annual Average Temperature	℃	20
8	Humidity	Average Daily Relative Humidity	%	≤95
8	Humidity	Average Monthly Relative Humidity	%	≤90
9	Altitude		m	≤1000
10	Solar Radiation Intensity		W/cm2	0.1
11	Maximum Icing Thickness		mm	20
12	Maximum average wind speed: keeping in good conditions for 10min at 10m from the ground level		m/s	35
13	Earthquake Resistance	Horizontal Ground Acceleration	m/s2	2
13	Earthquake Resistance	Safety Coefficient of 3 Since Resonance Cycles		≥1.67
14	Installation Site			Indoor
Note 1: Values about temperatures in the table must be adjusted accordingly if the lowest ambient temperature is above -25℃. Note 2: Pollution grade diagram must be provided if the pollution grade is grade IV.

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COMPANY OVERVIEW

FAQ

Q5 : Is OEM/ODM available?

A: Yes, it is! Our products can be Customized. We have design and engineer teams,we can customize products according to customers' drawing or requirements.

Q6 : You are manufacturer or trading company?
A: We are factory, As a 100% professional manufacturer with 20 year's manufacturer experience, we could produce products according to customers' requirements and we could also control the quality of products 100%.

Q7 : Can the price be negotiated?

A: Yes, the price is negotiable. It can be changed according to your quantity or package

Q8 : How about inspection?

A: We have the whole inspection system from raw material to end products include temperature rise test,salt spraying test conductor type test,mechanical life test.

Q9 : What is payment terms?

A: T.T, Paypal,Western Union,Alibaba trade assurance and L/C is acceptable. 30% T/T in advance ,70% balance before shipment.

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Jiyuan Fengyuan Electrical Equipment Co., Ltd