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          雷電沖擊試驗設備裝置
          Lightning Impact test equipment device
          變壓器測試儀器
          Transformer testing equipment
          GIS電器開關斷路器測試儀器
          GIS electrical switch circuit breaker test equipment
          高壓避雷器測試儀器
          High-voltage arrester testing instruments
          接地電阻測試儀器
          Ground Resistance testing equipment
          帶電作業工器具及
          其他電工儀表設備
          Charged operating the equipment and other electrical instrumentation
          交直流試驗電源設備
          (無局部放電試驗變壓器)
          AC-DC power supply test equipment (no PD test transformer)
          電氣絕緣測試儀器
          Electrical insulation testing equipment
          二次回路繼電保護裝置測試儀器
          Secondary circuit protection device to test equipment
          互感器檢定及測試設備
          Transformers test and test equipment
          電纜故障測試儀器
          Cable Fault testing equipment
          電參表校驗儀器
          Calibration equipment, the Senate table

             HRHG雷電沖擊電壓發生器試驗裝置
               Lightning impulse voltage generator testing device
               HRHG


             HRHGA雷電沖擊電流發生器試驗裝
               Lightning impact of current generator testing
               device HRHGA


             HRHG-DIMS1/2/3B全自動雷電沖擊試驗測量系統
               Automatic lightning impact test measurement system
               HRHG-DIMS1/2/3B


             HRHGCS-2000A全自動雷電沖擊試驗控制系統
               Automatic control system lightning impact test
               HRHGCS-2000A


             HRHG23雷電沖擊峰值電壓表
               Lightning impact of the peak voltage meter HRHG23


             HRHG23A雷電沖擊峰值電流表
               Lightning impact peak Ammeter HRHG23A


             雷電沖擊電壓(電流)發生器試驗系統設備技術升級改造
               Lightning impulse voltage (current) system test
               equipment generator technology upgrading technology
               upgrading equipment

             HRFRC Impulse capacitor divider
             HRZT-(1A-80A)直流電阻快速測試儀(1A-80A)
               Quick test for DC Resistance (1 A-80A) HRZT(1A-80A)

             HRBRTC變壓器繞組特征變形測試儀
               Transformer winding characteristics of deformation
               tester HRBRTC


             HRBT變壓器電氣特性全自動綜合試驗臺
               Electrical transformer of automatic comprehensive
               test-bed HRBT


             HRBZ全自動變比組別測試儀
               Automatic variable than the group Tester HRBZ


             HRDC智能型電氣參數測量儀
               Intelligent electrical parameters measuring
               instrument HRDC


             HRBCD智能型變壓器空載負載損耗及容量分析測試儀
               Intelligent Transformer empty load loss tester
               HRBCD


             HRKFR變壓器空載負載損耗及容量分析測試儀
               Transformer load loss and no-load capacity of
               Tester HRKFR


             HRRC變壓器容量分析 測試儀
               Transformer capacity of Tester HRRC


             HRBC變壓器有載分接開關測試儀
               Transformers OLTC Tester HRBC


             HRJZK發電機轉子交流阻抗測試儀
               Generator rotor impedance tester HRJZK


             HRSFQ三倍頻電源發生器
               Tripler power generator HRSFQ
             HRWGS抗干擾全自動介質損耗測試儀
              
          Anti-jamming automatic dielectric loss tester HRWGS

             HRYWGS異頻全自動介質損耗測試儀
               Automatic different frequency dielectric loss 
               tester HRYWGS


             HRWGS-Y一體化精密油介損體積電阻率測試儀
               Integration of sophisticated oil-loss volume
               resistivity Tester HRWGS-Y


             HRIJJ-80 全自動絕緣油介電強度測試儀
               Automatic insulating oil dielectric strength
               tester HRIJJ-80


             HR-2671 數字化絕緣電阻測試儀
               Digital insulation resistance tester HR-2671

             HR-5/10kV測吸收比和極化指數絕緣電阻測試儀
               Measuring absorption ratio and polarization index
               insulation resistance tester HR-5/10kV


             HR-2.5/5kV指針式絕緣電阻測試儀
               Pointer insulation resistance tester HR-2.5/5kV

             HRZLY真空濾油凈油機
               Insulating oil filter vacuum HRZLY


             HRSP絕緣油氣相色譜分析儀
               Insulation oil and gas chromatography analyzer
               HRSP-9
             HRGKC高壓開關動特性測試儀
               High voltage switch dynamic characteristics test
               instrument HRGKC


             HRHLY-100A接觸(回路)電阻測試儀
               
          Contacts (circuit) resistance tester HRHLY-100A

             HRZDC真空開關真空度測試儀
               
          Vacuum switch vacuum tester HRZDC

             HRDWS-IIC數字式SF6微量水分測試儀
               
          Digital SF6 trace moisture tester HRDWS-IIC

             HRLF-ID高精度SF6氣體檢漏儀
               High-precision SF6 gas leak detectors HRLF-ID


             HRSF6高精度SF6氣體放電分解物分析儀
               
          High-precision SF6 gas discharge decomposition of
               analyzer HRSF


             HRLH1-10Y-10-30移動式SF6氣體回收充氣裝置
              
          Mobile SF6 gas recovery inflatable device
               HRLH1-10Y-10-30


             HRGKJ-I高低壓開關柜通電試驗臺
               High-voltage power low-voltage switchgear test bed
               HRGKT-I


             HRMJC SF6 智能密度繼電器校驗儀
               
          SF6 intelligent density relay calibrator HRMJC

             HRPZH 高精度SF6氣體質量分析綜合測試儀
               SF6 gas HRPZH high-precision analysis of the
               quality  of the comprehensive test
             HRYBJ氧化鋅避雷器特性測試儀
              
          MOA of Tester HRYBJ

             HRYBS-30kV氧化鋅避雷器直流參數試驗儀
               MOA DC-test parameters HRYBS-30kV


             HRFJX避雷器放電計數器檢測儀
               Arrester discharge counter detector HRFJX


             HRZGF直流高壓發生器
              
          DC high-voltage generator HRZGF

             HRSQ雙鉗口接地電阻測試儀
              
          Two-Qiankou ground resistance tester HRSQ

             E-2000鉗形接地電阻測試儀
              
          Clamp ground resistance tester E-2000

             HRDER-2571數字式接地電阻測試
               Digital ground resistance tester HRDER-2571

             HR高壓鐵塔接地電阻測試儀
               High-voltage transmission tower ground resistance
               tester HR


           
             HRWGR大地網接地電阻測試儀
              
          Geodetic network ground resistance tester HRWGR

             ZC-8接地電阻測試搖表
              
          Grounding resistance testing shake table ZC-8

             HRJDT接地引下線導通測試儀
              
          Grounding Yin Xiaxian on-tester HRJDT

             HRZJ3微機型抗分布電容式直流接地探測器
              
          HRZJ3 Microcomputer-Typed Detector of Anti-
               distributed Capacitive Type Direct current
               Grounding
             HRZGF直流高壓發生器
               DC High Voltage Generator HRZGF


             HRBSQ大電流發生器(升流器)
              
          Large current generator(Adjust the large current
               generator) HRBSQ


             HRJNY絕緣靴(手套)耐壓試驗裝置
              
          Insulated boots (gloves) pressure testing device
               HRJNY


             HRVLF-30/50/80/1.1 0.1Hz超低頻高壓發生器
              
          0.1Hz Very-Low-Frequency high voltage generator
               HRVLF-30/1.1 HRVLF-50 / 5 HRVLF-80/1.1


             HRJFD-3A數字局部放電檢測儀
              
          Figures partial discharge detector HRJFD-3A

             HRJFD現場數字局部放電檢測分析系統
               Figures at the scene of partial discharge detection
               system HRJFD


             HRJFD-2A局部放電超聲自動定位系統
               PD ultrasound automatic positioning system HRJFD-2A


             HRGTB干式試驗變壓器
               Dry test transformer HRGTB


             HRYDQ(W)充氣式(無局部放電)試驗變壓器
              
          Inflatable (no PD) test transformer HRYDQ(W)

             HRSGB多功能數字分壓器(智能數字高壓表)
              
          Multi-functional digital divider (intelligent
               digital high-pressure form) HRSGB


             HRYDXB工頻串聯諧振升壓裝置
              
          Series resonant frequency step-up device HRYDXB

             HRYDJ(W)油浸式(無局部放電)試驗變壓器
              
          Oil-immersed (no PD) test transformer HRYDJ(W)

             HRKZX(Q)/T(Q)系列控制箱/臺(手動,電動,全自動)
              
          Series control box (manual, electric,automatic)
                HRKZX(Q)/T(Q)


             HRBFXZ變頻串聯諧振交流耐壓高壓試驗裝置
               Series resonant frequency exchange of high-pressure
               test equipment pressure HRBFXZ


             HR24工頻峰值電壓表
               Industrial Frequency Peak-Voltmeter HR24


             HRYDT 3C認證電器安規耐壓試驗儀
              
          3C certification of the electrical pressure tester
               HRYDT


             HRBSQ(JZ)直流大電流發生器(直流升流器)
               DC Large current generator(DC Adjust the large
               current generator) HRBSQ(JZ)
             HRVAT-CT全自動CT伏安變化特性綜合測試儀
              
          Automatic CT voltammetry of change than the
               Comprehensive test HRVAT-CT


             HRVAT-CT/PT全自動CT/PT伏安變比特性綜合測試儀
              
          Automatic CT / PT voltammetry of change than the
               Comprehensive test HRVAT-CT/PT


             HRHGQL-H電流互感器現場測試儀校驗裝置
               Current Transformer site tester calibration device
               HRHGQL-H


             HRHGQY-H電壓互感器現場測試儀校驗裝置
              
          Voltage transformer at the scene tester calibration
               device HRHGQY-H


             HRFHA PT二次負載在線測試儀
              
          PT secondary load-line tester HRFHA

             HRYJB PT二次壓降測試儀
              
          PT secondary pressure tester HRYJB

             HRH-H全自動互感器校驗裝置(試驗室)
              
          Automatic transformer calibration device
               (laboratory) HRH-H


             HRH-H(X)全自動互感器校驗臺(現場)
               Automatic transformer Test Bench (the scene)
               HRH-H (x)


             HRHL-A標準電流互感器
              
          Standards current transformer HRHL-A

             HRHJ-KV標準電壓互感器
              
          Standard voltage transformer HRHJ-kV

             HRFH互感器負荷箱
              
          Transformer load me HRFH

             HRHEA智能互感器校驗儀
              
          Smart transformer calibrator HRHEA

             HRHEJ互感器校驗儀整檢裝置
              
           Transformer calibrator seized the entire
               device HRHEJ


             YJFH-HR二次壓降及二次負荷在線測試儀
              
          YJFH-HR Secondary voltage drop and secondary
               load-circuit tester


            HRCJDY-BZ標準雷電脈沖沖擊電壓校準測試系統裝置
               HRCJDY-BZ Standard lightning impulse voltage pulse
               calibration test system devices


             HENZ3-HR型電子式互感器校驗儀
              
            HENZ3-HR Electronic Transformer Calibrator
                Automatic intelligent Calibration System
             HRJBC繼電保護綜合測試儀
              
          Comprehensive test instrument HRJBC relay

             HRWJC微機繼電保護測試儀
              
          Computer relay tester HRWJC

             HRWJC-6(六相電壓,六相電流)微機繼電保護測試儀
              
          (6-phase of voltage, 6-phase of current )
               Computer relay tester HRWJC-6


             HRZJ3直流系統接地故障測試儀
              
          DC system fault tester HRZJ3

             HRYXQ三相、單相電子移相器
              
          Three-phase, single-phase electronic phase
               shifters HRYX


             HRRJCD單相電子式熱繼電器檢驗儀
              
          Single-phase electronic thermal relay test-HRRJCD

             HRRJCS三相電子式熱繼電器檢驗儀
              
          Three-phase electronic thermal relay test-HRRJCS

             HRDS多用校驗儀(電能表現場校驗儀)
              
          More use of calibrator (Meter scene calibrator)
               HRDS


             HRCGB功率差動繼電器檢驗儀
              
          power differential relay test-HRCGB

             HRMJC SF6智能密度繼電器檢驗儀
               SF6 intelligent density relay calibrator HRMJC


             HRLC-8/8QYG氣體(瓦斯)繼電器壓力釋放閥自動測試儀
               Gas (gas) pressure release valve automatically
               relay tester HRLC--8/8QYG
             HRLGT(JK)電纜故障測試儀(架空)
              
          Cable fault Tester (overhead) HRLGT (JK)

             HRLGT(DM)電纜故障測試儀(地埋)
              
          Cable fault Tester (buried) HRLGT (DM)

             HRLGT(TX)通訊電纜故障測試儀
              
          Communications cable fault tester HRLGT (TX)

             HRGXL工頻線路參數測試儀
              
          The frequency line parameters Tester HRGXL

             HRWG輸電線路故障距離測試儀
               Transmission line fault from the test instrument
               HRWG


             HRJWG-5看守所周界高壓電網警防裝置
               Detention center-sector high-voltage power grid
               to prevent warning device HRJWG-5


             HRJWG-10監獄周界高壓電網警防裝置
               The prison perimeter to prevent high-voltage
               power grid warning device HRJWG-10


             HRHG-CR雷電脈沖過電壓在線監測高壓沖擊電壓分壓器
               HRHG-CR lightning pulse voltage online monitoring of
               high-voltage impulse voltage divider
             HRDS多功能電能表現場校驗儀
               Meter at the scene calibrator HRDS


             HRGP工頻信號發生器
              
          Frequency signal generator HRGP

             HRPX多功能工頻頻率相位計
              
          Phase of the frequent rate HRPX

             HRDXB電力諧波報警儀
              
          Power harmonic Alarm HRDXB

             HRDXC電力諧波測量儀
              
          Power harmonic meter HRDXC

             HRDXC電力諧波(電能質量)測量分析儀
              
          Harmonic power (power quality) measurement
               analyzer HRDXC


             HRCQ全自動電容電橋測試儀
              
          Automatic capacitance bridge tester HRCQ

             HRJDT-604型電壓監測記錄儀
                HRJDT-604 voltage monitor recorder
             HREC-1高壓核相器
               HREC-1 type of high pressure jer phase detectors


             HREC-11無線高電壓核相器
              
          Wireless voltage nuclear phase-HREC-11

             HRWG-11交流低零值絕緣子帶電檢測儀
              
          The exchange value of low-insulator charged
               detector HRWG-11


             HRWG-12交流線路絕緣子串電壓分布測量儀
             
           Exchange string voltage distribution lines
               measuring table HRWG-12


             HRWG-15交流線路絕緣子串電壓分布測量表檢測儀
              
          Exchange string voltage distribution lines
               measuring table detector HRWG-15


             HRWG-16絕緣子絕緣電阻測試儀
              
          Insulator insulation resistance tester HRWG-16

             HREC-2高壓驗電器
               High voltage-pressure Electroscope HREC-2


             HRGB/HRGLB單相/三相隔離變壓器,整流變壓器,隔離濾波器
              
          Single-phase, three-phase isolation transformer,
               rectifier transformers, isolation filter HRGB/HRGLB

             HRTNZD(S)系列電動柱型調壓器/可調穩壓電源
              
           Series Electric columnar regulator / adjustable
               power supply HRTNZD(S)


             HRZD-2型攜帶式單相試驗電源箱
                HRZD-2 type portable power box single-phase tests

             HRZD-3型攜帶式三相試驗電源箱
                HRZD-3 type portable three-phase power box tests

               
           
          HRVLF-30/1.1 HRVLF-50/5 HRVLF-80/1.1 0.1Hz超低頻高壓發生器
           
                新一代交流耐壓試驗儀器,替代諧振耐壓裝置,用于發電機(電機)、電纜、絕緣子、電力電容器、大型變壓器等大容性設備的交流耐壓試驗。現場、戶內試驗使用的首選。也可作超低頻信號源使用。
              △使用0.1Hz超低頻的必要性
              1、 理論上容量是工頻的1/500,真正體積小、重量輕、操作簡便。
              2、 超低頻交流測試不會在絕緣中產生樹狀間隙。
              3、 不會像直流試驗那樣易損壞電纜。不受試品之電容效應影響。
              4、 有害極化電荷不會在測試過程中進入電介質。
              △功能特點
              1、 采用數字變頻技術,微電腦控制,測試過程完全自動化。
              2、 大屏幕液晶顯示,漢字操作,顯示試驗波形(正弦波),打印試驗報告。
              3、 過流過壓自動保護,自主知識產權依據電力標準研發和設計制造。
              4、 多頻率選擇:0.1Hz,0.05Hz,0.02Hz,增強了帶載能力。
           
               
                △系列產品的主要技術參數(可根據用戶要求定做更高試驗電壓的試驗設備)  
           
          型 號 額定電壓 帶載能力 重 量
          HRVLF-30/1.1
          (適用于10kV大容量產品耐壓)
          30(40)KV
          (峰值)
          0.1Hz,≤1.1uF
          0.05Hz,≤2.2uF
          0.02Hz,≤5.5uF
          控制器:4kg
          升壓體:25kg
          HRVLF-50/5
          燒(擊)穿儀
          (適用于10kV特<超>大容量產品耐壓)
          50KV
          (峰值)
          0.1Hz,≤5uF
          0.05Hz,≤10uF
          0.02Hz,≤25uF
          控制器:5kg
          升壓體:60kg
          HRVLF-80/1.1
          (適用于35kV大容量產品耐壓)
          80(90)KV
          (峰值)
          0.1Hz,≤1.1uF
          0.05Hz,≤2.2uF
          0.02Hz,≤5.5uF
          控制器:5kg
          升壓體:45kg
           
                1、測量精度:2.5%    2、電壓正、負峰值誤差:≤2.5%    3、電壓波形失真度:≤5%
              4、使用條件:戶內、戶外:溫度:-10~+40℃;濕度:≤85%RH     5、電源:交流50HZ,220V±5%
              6、等效性好:科學理論和試驗證明,0.1Hz超低頻耐壓試驗與工頻耐壓試驗具有很好的等效性。
           
               
           
          HRVLF系列便攜式0.1Hz數字超低頻高壓發生器試驗儀
           
            技術配置和技術參數  
           
          型號
          額定電壓
          帶載能力
          重量
          用途
          HRVLF-30
          30kV
          (峰值)
          0.1Hz,≤1.1μF
          控制器:4㎏
          尺寸:長*寬*高360*250*230
          10kV電纜、發電機等
          0.05Hz,≤2.2μF
          升壓體:25㎏
          尺寸:長*寬*高323*174*323
          0.02Hz,≤5.5μF
          HRVLF-40
          40kV
          (峰值)
          0.1Hz,≤1.1μF
          控制器:5㎏
          尺 寸:長*寬*高 360*250*230
          13.8kV電纜、發電機等
          0.05Hz,≤2.2μF
          升壓體:38㎏
          尺 寸:長*寬*高 357*208*343
          0.02Hz,≤5.5μF
          HRVLF-50
          50kV
          (峰值
          0.1Hz,≤1.1μF
          控制器:6㎏
          尺 寸:長*寬*高 360*250*230
          15.75kV電纜、發電機
          0.05Hz,≤2.2μF
          升壓體:55㎏
          尺 寸:長*寬*高 367*210*365
          0.02Hz,≤5.5μF
          HRVLF-60
          60kV
          (峰值)
          0.1Hz,≤1.1μF
          控制器:6㎏
          尺 寸:長*寬*高 360*250*230
          18kV電纜、發電機等
          0.05Hz,≤2.2μF
          升壓體:65㎏
          尺 寸:長*寬*高 377*220*370
          0.02Hz,≤5.5μF
          HRVLF-70
          70kV
          (峰值)
          串聯
          0.1Hz,≤1.1μF
          控制器:6㎏
          尺 寸:長*寬*高 360*250*230
          20kV電纜、發電機等
          0.05Hz,≤2.2μF
          升壓體:75㎏
          尺 寸:長*寬*高 387*240*390
          0.02Hz,≤5.5μF
          HRVLF-80
          80kV
          (峰值)
          串聯
          0.1Hz,≤1.1μF
          控制器:8㎏
          尺 寸:長*寬*高 360*250*230
          35kV電纜、發電機等
          0.05Hz,≤2.2μF
          升壓體:85㎏
          尺 寸:長*寬*高 397*250*490
          0.02Hz,≤5.5μF
          HRVLF-90
          90kV
          (峰值)
          串聯
          0.1Hz,≤1.1μF
          控制器:9㎏
          尺 寸:長*寬*高 360*250*230
          35kV電纜、發電機等
          0.05Hz,≤2.2μ
          升壓體:98㎏
          尺 寸:長*寬*高 427*260*590
          0.02Hz,≤5.5μF
          HRVLF-100
          100kV
          (峰值)
          串聯
          0.1Hz,≤1.1μF
          控制器:9㎏
          尺 寸:長*寬*高 360*250*230
          35kV電纜、發電機等
          63kV電纜等
          0.05Hz,≤2.2μF
          升壓體:118㎏
          尺 寸:長*寬*高 457*250*690
          0.02Hz,≤5.5μF
          HRVLF-110
          110kV
          (峰值)
          串聯
          0.1Hz,≤1.1μF
          控制器:9㎏
          尺 寸:長*寬*高
          360*250*230
          63kV電纜等
          0.05Hz,≤2.2μF
          升壓體:128㎏
          尺 寸:長*寬*高
          467*260*790
          0.02Hz,≤5.5μF
          HRVLF-120
          120kV
          (峰值)
          串聯
          0.1Hz,≤1.1μF
          控制器:9㎏
          尺 寸:長*寬*高 360*250*230
          110kV電纜等
          0.05Hz,≤2.2μF
          升壓體:148㎏
          尺 寸:長*寬*高 487*270*890
          0.02Hz,≤5.5μF
           
               
            ◆ 0.1Hz超低頻、工頻、變頻及直流耐壓試驗的比較  
           
          比較內容
          工頻耐壓
          變頻耐壓
          0.1Hz耐壓
          直流耐壓
          等效性



          絕緣破壞性



          操作安全性
          較低
          較低
          較低
          試驗接線
          復雜
          最復雜
          最簡單
          復雜
          設備體積重量
          最重
          較重
          最輕
           
            國電華瑞公司推薦:超低頻技術文章 [1] [2] [3] [4] [5]  
               
           
          HRVLF Series of Portable 0.1HZ Digital Very-low-Frequency High Voltage Tester
           
               The new generation of AC withstand tester, replacing harmonic withstand tester, is widely used in AC withstand test of large capacity equipments such as generator, cable, insulator, power capacitor, large transformer etc. Not only can it be the first choice of on-site and outdoor testing, but also as the ultra-low frequency source.

          Advantage of 0.1Hz HRVLF series
          1、Small volume, light weight, easily to operate. Theoretically speaking, the capacity is of 1/500 of power Frequency.
          2. AC ultra-low frequency tester doesn’t form tree-clearance in the insulating condition.
          3. Unlike DC test, it’s uneasy to destroy cables; meanwhile the capacitance effect of testing articles has no influence to it.
          4. Pernicious polarization charge would make no way to dielectric during the testing.

          Features of function
          1. Adopting digital convention technology and microcomputers controlling system make the testing process completely automatic.
          2. The large screen of liquid crystal and Chinese input operating system insure that testing wave-form (Sinusoid Wave) can be displayed; testing reports can be printed.
          3. Auto-protection of over-current and over-voltage, the research,design and manufacture of independent intellectual property rights according to power standard
          4. Multi-frequency selections (0.1Hz,0.05Hz,0.02Hz) strengthen the load-bearing capability.

           
            Specification of this series (special order testing equipment is also available)  
           
          Type Rated voltage Carrier load capacity Weight
          HRVLF-30/1.1
          (applied for 10kv Large capacity product withstand testing)
          30(40)KV
          (peak)
          0.1Hz,≤1.1uF
          0.05Hz,≤2.2uF
          0.02Hz,≤5.5uF
          Controller:4kg
          pressure Booster:25kg
          HRVLF-50/5
          Breakdown tester
          ( applied for 10kv extra Large capacity product withstand testing
          50KV
          (peak)
          0.1Hz,≤5uF
          0.05Hz,≤10uF
          0.02Hz,≤25uF
          Controller:5kg
          pressure Booster:60kg
          HRVLF-80/1.1
          (applied for 35kv large capacity product withstand testing)
          80(90)KV
          (peak)
          0.1Hz,≤1.1uF
          0.05Hz,≤2.2uF
          0.02Hz,≤5.5uF
          controller:5kg
          pressure booster:45kg
           
            1. Measuring accuracy: 2.5%
          2. Voltage error of peak-peak: ≤2.5%
          3. Distortion of voltage waveform: ≤5%
          4. Using condition: indoor, outdoor: Temperature: -10~+40℃; Humidity: ≤85%RH
          5. Power: AC 50HZ,220V±5%
          6. Equivalence: scientific theories and tests can prove that 0.1Hz ultra-low frequency withstand testing is as equivalent as industrial frequency withstand testing.

          Withstand testing comparison of 0.1Hz ultra-low frequency, industrial frequency, abnormal frequency and DC.
           
           
          Items
          Power frequency hi-pot testing
          Variable frequency hi-pot testing
          0.1Hz hi-pot testing
          DC hi-pot testing
          Equivalence
          Good
          Good
          Good
          Not so good
          Insulation damage
          Little
          Little
          Little
          Large
          Operating safety
          Relatively low
          Relatively low
          high
          Relatively low
          Test wiring
          Complex
          Most complex
          Simplest
          Complex
          Volume,weight of devices
          Heaviest
          Relatively heavy
          Light
          The lightest
           
            Our recommendation: Related articles of ultra-frequency technology
          [1] [2] [3] [4] [5]
           
               
               
               
           
           
               

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