Electrical Insulation System Components E251322
SUZHOU JUFENG ELECTRICAL INSULATION SYSTEM CO LTD
Lin Hu Middle Road, Fen Hu Economic Zone, Wujiang, Suzhou Jiangsu 215214 CN
System Component System Designation System Class
FMB-50/155, JF-9955 JF-HV-180H 180(H)
Report Date: 2017-09-01 © 2019 UL LLC Voltage:Varies
An Authorization Letter is Required for Adoption of this System
Construction Details (Table I)
The use of this insulation system is limited to the combination of materials specified below. Where more than one item is designated under insulation function, they may be used together, unless otherwise indicated, or they may be used as alternates to one another. Functions designated "optional" are not necessarily required for every design. Insulation thicknesses and/or layers below indicated are minimum.
Description: The Maximum Voltage for this Form Wound Pre-Insulated Insulation System for use in Rotating Machines is 10kV
Note: Rectangular bare conductor
Enameled Wire
Recognized Component - Magnet wire (OBMW2), single build or greater, round or rectangular, copper or aluminum unless stated otherwise for the types listed below
Ground Insulation is required to separate this winding from grounded/dead metal
Interwinding Insulation is required to separate this winding from other enameled wire
Unless otherwise noted, Winding Wire types listed below may be used in combination within a single product
Designationmils(mm)comments
Suzhou Jufeng Electrical Insulation System Co., Ltd.
FMB-50/155The above PET film used for layers one and two is R/C Plastics (QMFZ2), various manufacturers. The third layer JF-5442-1D is described below.
JF-5442-1D1 layer of PET film with 0.075 mm min. thickness and a layer of mica tape with an overall min. thickness of 0.150 mm.
Bare Conductor - Wrapped, 1 layer each, 50% overlap each, each layer is PET film, 0.25 mm total thickness, with each layer in the opposite direction from the proceeding underlying layer. Last layer has JF-5542-1D tape
Ground and Interwinding Insulations
Designationmils(mm)comments
Suzhou Jufeng Electrical Insulation System Co., Ltd.
JF- CT1[layers]Applied third, High Resistance Anti Corona, 0.2 mm min. thick, 50% overlap. Taped on the four R parts of the coil, from the end of JF-CT(lapped 25 mm of the JF-CT) to the end of the coils direction. The length is according to design. High Resistance Anti Corona
JF-5452-18[layers]Applied first, mica tape, 0.13 mm min. thick of each layer, all wraped clockwise direction, 50% overlap.
JF-CT1[layers]Applied second, Low Resistance Anti Corona, 0.08 mm min. thick, 50% overlap. Taped on the straight part of the coils. Low Resistance Anti Corona
JF-SC1[layers]Applied fourth, PET heat shrinkable film, 1 layer, 0.03 mm min. thick, 50% overlap. Completely covers the two ends of coil and grade JF-SC, High Resistance Anti Corona, 50% overlap, is additionally used. High Resistance Anti Corona
Lead Wires
TempInsulation
180°CSR - silicone rubber(with or without braid)
any sheet insulation or tape described in this table with no minimum thickness requirement may be used as a minor sheet material
Tapes
Designationcomments
Tianjin Tianyuan Electric Materials Co., Ltd
Type TJ251Polyimide Tape
Spacer and Wedges
Designationcomments
An Hui Sheng Xin Insulation Material Co., Ltd.
Type 350Diphenyl ether plateDiphenyl ether plate
Type 9334Polyamide imide glass tapePolyamide imide glass plate
Shanghai JieCheng non-woven fabrics materials Ltd.
Polyester felt
SPI Handels Gmbh & Co. KG
Type SPInduwedge H HPMagnetic wedgeMagnetic wedge
any material described in this table with no thickness requirement may be used as a spacer or a wedge
Tie Cords
Designationcomments
Jiangsu Hengyu Textile Co., Ltd.
Polyester glass banding rope
Overcoat Varnishes
may only be used after impregnation with any varnish in this table
Designationcomments
Suzhou Jufeng Electrical Insulation System Co., Ltd.
JF-9955
Miscellaneous Minor Insulations
Designationcomments
An Hui Sheng Xin Insulation Material Co., Ltd.
Semiconductor epoxy glass laminate, type 3241Epoxy PlateEpoxy plate
Shanghai Shenlei Composite Materials Co., Ltd.
Glass fiber glass wire ropeEnd bandEnd band
Xi An Meilian Electrical Insulation Co., Ltd.
Thermal expansion glass felt, type 7470Expanding materialExpanding material

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