Download Order Specifications for Off-Circuit Tap Changer Shanghai Huaming

Order Specifications for
Off-Circuit Tap Changer
Shanghai Huaming Power
Equipment Co., Ltd.
TRANSFORMER DESIGNER
Name:
Tel:
E-mail:
Fax:
GENERAL DATA
Purchaser or inquirer
Transformer user
Country of installation
Delivery date/destination port
Transformer series No.
Huaming series No.
Quantity
Purchase Order No./date
TRANSFORMER DATA
Operation
Power
Generator
Type of transformer
Seperated winding transformer
No. of Phases
3-Phases
1-Phase
Others (
)
Frequency
50Hz
60Hz
Others (
) Hz
Ambient temperature
-25~+40℃
-40~+40℃
Others (
)℃
Overload
Acc.to IEC 60354
＞IEC60354 (
Rated capacity
(
(
Rated voltage
Capacity regulation
Others (
)
)MVA
(
Furnace
Auto-transformer
)%
or + (
No. of steps
±(
)Steps
or +(
Transformer rated current I=(
Note: Special
configuration please
attach drawing and
transformer nameplate.
Flange for mounting
Insulating strength
)hours
)
)% － (
) /－(
)%
)Steps
)A
Transformer max. tapping
Imax.=(
current
Configuration of tap
windings
)% for (
)kV
±(
Connection
Booster transformer
)MVA ,Decreasing from position (
Regulating range
Rated step voltage
in the phase
Rectifier
)A
Constant Ust=(
)V
Linear IV
Double-bridging VII
(Star connection)
Variable Ust max.= (
)V Ust min.= (
Reversing II
Serial-parallel transform VIII
)V
Single-bridging V
Y-D transform VI
(Star connection
(Star connection
(Delta connection
at middle of winding)
at end of winding
at end of winding)
(Delta connection at
(One single-phase + one
(Linear regulation
(Linear regulation
middle of winding)
two-phase regulation)
at end of winding)
at middle of winding)
Standard mounting flange
Bell-type mounting
Rated separate source AC
withstand voltage (kV/50Hz,1min)
Rated lightning impulse withstand voltage
(kV,1.2/50μs)
Tap changer to ground
Between phases
Across tap winding
Between adjacent taps
OFF-CIRCUIT TAP CHANGER DATA
Model (please refer to
technical data)
WSL(3-phase)
WDL(single phase)
WDG(single-phase)
WLG(2-phase)
WSL-D (3-phase)
WSG(3-phase)
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Order Specifications for
Off-Circuit Tap Changer
Type
Number of
phases
Connection
Max. rated
through-current (A)
For WSL/WDL
Contact diameter (
) mm
For WDG/WLG/WSG
Connection leads output
A(from middle of radial )/
Operation Method
WSL-D
Y/D
Um (kV)
code number
A
B (Leads from axial)/
Designation of operating Max.number of eff. turns.Position (
positions
Min.number of eff. Turns Position (
Operation Method
WSL/WDL
Shanghai Huaming Power
Equipment Co., Ltd.
Positions
B
C (no fixed lead)
), Mid.Position (s) (
)
)
Hand wheel
Remote position indicator HMC-3W
Manual drive box
Remote position indicator HMC-3W
CMA9 Motor drive unit
Remote position indicator HMC-3W
Cable length (
)m (standard offer 30m)
Note: CMA7 motor drive unit is specified by Huaming for big current WSL/WDL
Motor driving at top of OCTC
Cable between OCTC & controller (
)m (standard offer 30m )
Only for maximum current 600A, highest voltage 40.5kV, linear regulation and single
bridging
Operation Method
WDG/WLG/WSG
Top manual operation
Remote position indicator HMC-3W
Side manual operation from top transmission
Remote position indicator HMC-3W
Side manual operation from bottom transmission
Remote position indicator HMC-3W
For connection lead output type A and B only
CMA7 motor drive unit
Remote position indicator HMC-3W
Cable length (
)m (standard offer 30m)
Horizontal drive shaft
H2 =
H1 =
(mm) (If exceeds 2000mm, it needs
H3 =
middle support box please refer to technical data.)
H4 =
Vertical drive shaft
V1 =
(mm) (If exceeds 2000mm, it needs
middle support box please refer to technical data.)
Paint
RAL7040
(mm)
(mm)
(mm)
V2 =
V3=
( mm)
Protective cover for vertical drive
shaft
Others to be specified (
)
Special application and requirement:
(
)
Note：
Any items failed to be filled in shall be manufactured as per standard specification. Problems or further
consequences arising out of this will not be borne by Huaming.
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