S(F)Z9 10、35kV three phase oil immersed tap-changing transformer

This kind of product is applied to power system of three-phase, 50Hz as well as 35kV and below, it is the main transformer equipment of medium and small-sized transformer substation,supplies power distribution, power and illumination for the industry and agriculture.

Product Details Company Profile

Description

◆ General
·This kind of product is applied to power system of three-phase, 50Hz as well as 35kV and below, it is the main transformer equipment of medium and small-sized transformer substation,supplies power distribution, power and illumination for the industry and agriculture.

·The company introduces in domestic and overseas advanced technique, adopts the latest material and optimizes design, which enables the product structure more reasonable, and greatly improves the product electric strength, mechanical strength and heat-sinking capability. S9 series product has passed the short-circuit test prepared by Wuhan High Voltage Research lnstitute and also the test prepared by National Center for Quality Supervision & Test of Transformer.

◆ Structural Features
·lron core
       The iron core is made of high quality cold rolled silicon steel sheet, adopts the type of full-bias multi-step seam and no punched hole, besides, both stainless steel stay plate and epoxy glass belt are for clamping it.
·Coil
       High quality enameled wire that is made of oxygen free copper or paper wrapped flat copper wire is used as conductor, the coils is provided kinds of types such as drum type, spiral type, improved spiral type, continuous type and interleaved type.
·Oil tank
        The oil tank is of barrel type or shield type, the heat-sinking element is provided with corrugated plate or plate or plated radiator.
       The transformer has not been equipped with trolley, but there is a base that accords with national standard rail gauge welded at the bottom of box for your convenience.
·Safety protection device
        According to national standard and users’ requirements, the transformer may be equipped with following safety protection devices: pressure relief valve, gas relay, signal thermometer, oil purifier, oil conservator, oil sampling valve, etc.

◆ Accord to Standards
GB1094.1-1996   GB1094.2-1996   GB1094.3-2003
GB1094.5-2003   GB/T6451-2008   GB/T10237-1988
GB/T10088-2004 GB311.1-1997    GB/T7595-2000    GB/T3837-1998

◆ Service Environment
·Altitude：≤1000m
·Ambient temperature：the highest temperature＋40℃，the highest monthly mean temperature＋30℃；The lowest temperature－10℃，the highest yearly mean temperature＋20℃.
·lnstalltion environment：inclination of installation place＜3°，no obvious dirt and corrosive or flammable gas.

S(F)Z9 10、35kV three phase oil immersed tap-changing transformer