1761-L16AWA

1761-L16AWA

1761-L16AWA

1761-L16AWA

1761-L16AWA

<<极快速冲击高压试验技术>>^[2] ；

3) GIS互感器的传递过电压标准中B类冲击波波形过冲和震荡要给出限值，它直接影响二次电压。

《联系人；欧先生》
《座机：0592-5709825》
《传真：0592-5917519》
《24小时热线：18030229053微信同步》
《QQ  ：2479261344》
《QQ邮箱：2479261344@qq》

二、GIS互感器传递过电压

2.1 GIS互感器传递过电压测量电路及测量要求

根据标准《GB 20840.1-2010 》对于GIS用互感器传递过电压的测量要求，应通过50Ω同轴电缆适配器将B类冲击波U1施加在任一一次端子与地之间，GIS外壳应按运行方式接地。测量电路如图4所示。

(图4 )

传递过电压U2应在开路的二次端子上测量，通过50Ω同轴电缆连接输入阻抗为50Ω且带宽不低于100MHz的示波器读取峰值。当被测互感器有多个二次绕组时，应一次对每一个二次绕组进行测量，在二次绕组具有中间抽头时，只需在绕组满匝数对应的出头上进行测量。

Time left:9d 13h 36m 

 Taylor-Hobson Precision Micro-Alignment Telescope #74
    
Time left:9d 13h 36m 

 K & E Alignment Telescope 71-2021
    
 Time left:11d 19h 34m 

 Taylor Hobson Micro Alignment Telescope
   
 Time left:11d 19h 48m 

 FLIR, Infrared Viewer/Camera with Large Front Lens
 Enlarge   
 Time left:17d 18h 37m 
5" Plano Interferometer - Davidson, Zygo, Wyko

Leitz Autocollimator

K & E Alignment Telescope 71-2022

Zygo Double Sided ed Silica 8" Optical Flat 1/20w

AA Gage Ultradex 7" Mark II Style "A"

Enlarge
Davidson Autocollimating Alignment Telescope D-275 #144

Enlarge
Aerotech Linear Positioning Stage with 30" Travel

Optem/Zygo Precision X-Y Viewing Station

12 1/2" Diameter Zerodur Mirror in Mount

Enlarge
16" Mirror Mount with 16" Gold Coated Collimator MM47

Enlarge
Zygo Zerodur 8" 1/20W Optical Flat

Aerotech Motorized Mount w/Zerodur 1/10w Mirror MM51

Enlarge
Aerotech udex 15" x 15" Travel Stage

Keyence LC-2001 Laser Displacement System

Anorad 3-Axis with Rotary Stage and Controller

Enlarge
13" J Unertl Precision Optical Mirror Mount MM39

Nikon 6C Profile Projector

Logitech PM2 Table Polisher

Enlarge
Kollen Single-Axis Autocollimator 

Kollen Dual-Axis Autocollimator 

Daedel 3-Axis Stage (X, Y and Rotary)

Q Peak/Schwartz Electro Optic Diode Pumped Laser

Enlarge
Burleigh Wavemeter 20VIS

Infrared Test Set, Flir, IR Camera Tester, IR Viewer

Enlarge
Davidson Penta Prism model D614-101 #143

Wild M450 Epimacroscope

Enlarge
AA Gage 2-Axis Gimbal Mount

Anorad Precision X-Y HP Laser Based Measuring System

American Optical 24" Mirror Mount

Leica/Wild T2002 Theodolite

Zygo Double Sided ed Silica 6" Optical Flat 1/20w 

Enlarge
Navitar 2" x 2" Inspection Station

Enlarge
Ram Optical Instruments Optical Video Probe

Enlarge
Davidson Optical Level

Kern Theodolite E2

Wild M3Z Stereo Zoom Microscope

Davidson Optronics D-627 Spindle Mirror

Enlarge
K & E Alignment Telescope With Right Angle Eyepiece

Davidson Autocollimator 602

Nikon SMZ-10 Stereozoom Microscope 

Leitz/Leica Laborlux 12 HL Microscope

Enlarge
J. Unertl 8" Precision Optical Mirror Mount MM41

Enlarge
J. Unertl 8" Optical Mirror Mount MM18

Enlarge
12" J Unertl Precision Optical Mirror Mount MM38

10" Newport Precision Optical Mirror Mount MM37

Chapman Instruments Surface Profiler MP2000

Enlarge
Precision Optical Mirror Mount MM15

Enlarge
Precision Optical Mirror Mount MM16

Enlarge
Taylor Hobson Autocollimator

Bch and Lomb SZ-6 Photo Tri-Noc Microscope

American Optical Teaching Microscope

Enlarge
Olym Ligeightpact Microscope System

Zygo 10" Precision Zerodur Optical Mirror MM33

16" Precision Optical Mirror Mount MM07

Enlarge
Agilent/Hewlett Packard Laser Head 5517B .4.1 - .5mw

Enlarge
Hewlett Packard 5517A Laser Head up .5mw

Mitutoyo Opto-Eye X-Y Digital Readout and Micrometers

Zygo 2.5x Michelson Objective 

Enlarge
Bch & Lomb Monozoom-7 Optical System

Wild T2000 Theodolite

18" Precision Optical Mirror Mount MM36

Agilent/HP Plane Mirror Interferometer HP 10706A

Hensoldt Wetzlar Dual Axis Alignment Telescope

Massive Optical Mirror Mount MM14

Enlarge
Massive Optical Mirror Mount MM22

Enlarge
Precision Optical Mirror Mount MM08

Enlarge
Massive 9" Mirror Mount MM48

Enlarge
Precision Optical Mirror Mount MM04

Enlarge
Precision Optical Mirror Mount MM17

Enlarge
Angenieux IR Lens and Dewar

Kensington Labs 6 x 8" D.C. Motorized X-Y Stage

Brass/Copper Pressure Guages *Lot of 51*

Enlarge
Taylor Hobson Optical Square

IR, FLIR, Large IR Motorized Lens

NEAT Motorized 30" Travel Linear Stage

Unitron Stereo Zoom Trinocular Microscope

Davidson Adtable Stand D-243M

Davidson Adtable Reference Mirror D615 #140

Enlarge
Melles Griot 3-Axis Assembly with Nanomover Actuators

Enlarge
Keyence Laser Displacement Meter with Head

Aerotech Motorized Single Axis Linear Stage 

Leitz/Leica SM Lux Biomedical Microscope

Enlarge
Agilent/Hewlett Packard Laser Head 5517B .3 - .4mw

Enlarge
Kic Systems Vibraplane Isolation Table

Olym BHM Incident Light Microscope

Enlarge
Agilent/Hewlett Packard Linear Interferometer HP10702A

11 1/2" Precision Pyrex Optical Mirror 1/4 Wave MM45

Enlarge
LOH Wetzlar Lens Curve Generator RF-1

Reichert/AO 220V Ring Illuminators/Supplies NOS-102 Pcs

Enlarge
Photon Inc. Beamscan Control Unit with Head

3 Bch and Lomb Metallographs *Approx. 1939*

Enlarge
SpectraTech Reflachromat Objective 15x .58NA

Blue M Air-Cooled Temperature & Humidity Cab

Farrand Optical 60x Alignment Telescope

20" Precision Optical Mirror Mount MM23

Enlarge
Farrand Optical Co. Alignment Telescope

Hilger Watts Automatic Position Sensing Autocollimator

Taylor Hobson Cylindrical Optical Square

Ship Instrumentation -Tachometer,pass, Rudder Angle

Enlarge
Davidsonparison Autocollimator Model D600

Ship Instrumentation -Tachometer,pass, Rudder Angle

Enlarge
Taylor Hobson Adj. Alignment Telescope Stand #121

Taylor Hobson Adtable Alignment Telescope Stand

Keuffel & Esser Alignment Telescope Mount #124

Hughes Large Diameter Infrared Light Weight Lens

Enlarge
Precision Optical Mirror Mount MM26

Enlarge
Davidson Adtable Reference Mirror D615 #141

Enlarge
Daedal 8" Travel Single Axis Stage

Taylor Hobson Mount

10" Precision Optical Mirror Mount MM24

Enlarge
Aerotech Precision Optical Mirror Mount MM30

Enlarge
Precision Optical Mirror Mount MM29

Enlarge
Precision Optical Mirror Mount MM25