Haefely WA 2293, Быстрый старт, Страница: 8 / 9

WA 2293
Ease of
Use
IEC
IEEE
Automatic
Report
Safety
Speed Diagnosis
Approved
ENTIRE SOLUTIONS FOR TRANSFORMERS
Haefely offers a complete product line for transformer tests, both in the factory and on-site.
7
8
6
1
4
1
2
3
10
5
9a 9b
9a 9b
Turns Ratio Measurement
Range 1.0 … 100’000
Accuracy 0.05%
2293 BASIC SPECIFICATIONS
Complete technical specifications in the WA 2293 datasheet available at www.haefely.com
Resistance Measurement
Max. Measuring Current DC 32A (user selectable)
Max. Charging Voltage DC
100V
Range 0.1 μΩ … 300 kΩ
Accuracy 0.1% ± 0.5 µΩ
STANDARD PACKAGE
EXTENSIONS
WA 2293
3490068 Measuring Bridge (Portable and
rack mounted version)
WA 2293
Software Add-ons
3-phase transformer turns ratio measurement
2293/SKTTR
Arbitrary phase shift (2293/SKTTR needed) 2293/SKAP
Heat rise temperature measurement 2293/SKTR
Magnetic balance measurement 2293/SKMB
Tap changer dynamic resistance measurement 22937/SKTC
Short circuit impedance measurement 2293/SKSC
Extended Warranty
2 years WA 2293
3 years WA 2823
Including
■
Winding resistance measurement
■
Demagnetization measurement
■
Heat run - Cooling curve measurement
■
8 measuring cables of 10 m length equipped
with Kelvin probes
■
Cable bag
■
Test certificate
■
Instruction manual
1
2
3
Measurement Cables & Clamps
Extension cable 10 m high voltage side
Extension cable 10 m low voltage side 2293/10HV
2293/10LV
Additional measuring cables (HV & LV, 8 cables), 3 m length 2293/MK3
Tap changer control cable, allows remote tap changer control from measuring
device and automate test sequences
2293/TAP
Extension clamps to increase the maximum openning distance of the standard
clamps
ExtClamp
Temperature Sensors
Temperature extension box to connect up to 8 additional temperature sensors
(max. 3 extension boxes per device)
2293/TEMPEXT
Temperature probe for liquids 2293/TEMP1
Temperature probe magnetic 2293/TEMP2
Laser infrared contactless thermo/hygrometer TEMP
Provisions
Interlock provision 2293/IT
ACCESSORIES
4
9a
5
6
7
8
9b
10
14 15
Winding Resistance
TTR Turns Ratio
Heat Run Test
Demagnetize
Cap & Tan (Diss. Factor)
Short Circuit Impedance
FRA Frequency Response
RVM Water Content
Excitation Current
W
A 2293
MIDAS micr
o
2283
FRA 5311
RVM 5462a