B2 ELECTRONICS電纜測(cè)試儀HVA28-TD技術(shù)參數(shù)
TECHNICAL DATA | |
Output characteristics | |
Output voltage | |
VLF sine wave | 0 ... 21 kVrms / 0 ... 29 kVpeak |
DC | -28 kV ... 28 kV |
VLF square wave | 0 ... 28 kV |
Sheath test | 0 ... 15 kV (negative polarity) |
Voltage setting resolution | 0.1 kV |
AC frequency range | 0.01 Hz ... 0.1 Hz |
Frequency setting resolution | 0.01 Hz |
Output current | |
AC | 12 mArms max. |
DC | 17 mA max. |
Sheath test trip current | 0.1 ... 10 mA |
Sheath fault location | 17 mA |
Duty cycle | Continuous, no thermal limitation of operating time |
B2 ELECTRONICS電纜測(cè)試儀HVA28-TD介紹
The HVA28 and HVA28TD are truly compact and portable VLF test sets which determine the condition of medium voltage cables.
HVA28TD device includes integrated Tan Delta diagnostics capabilities, in comparison to HVA28 device, which can be with the TD diagnostics unit extended.
They both perform VLF and DC testing, as well as sheath testing with sheath fault location mode.
Performance: Outstanding features considering size and weight vs. output load.
Duty cycle: Operating time of these test sets is not thermally limited; they may operate continuously.
Safety first: The test sets have two independent earthing devices (electronic and mechanical discharging) and an integrated 12 kV transient protection system (at 50 Hz) to protect both the operator and the device.
Field use: A watertight and very rugged case with protection class of IP67 (with closed lid) makes no need for additional transport solutions.
Connectivity: On site, no external PC is needed. All results can be later downloaded via USB or Bluetooth for further investigation and easy reporting via software tool.
Service and maintenance: With no oil or arcing contacts the dry-type transformer makes these test sets almost maintenance-free.
MWT: In addition, HVA28TD offers a Monitored Withstand Test, a combination of withstand testing and Tan Delta diagnostics in compliance with the guide IEEE 400.2-2013.
Output voltage:max. 29 kVpeak, 21 kVrms
Output load:0.5 μF @ 0.1 Hz @ 20 kVrms
Weight:14 kg / 31 lbs
HVA28 和 HVA28TD 是真正小巧便攜的 VLF 測(cè)試儀，可確定中壓電纜的狀況。
與可擴(kuò)展 TD 診斷單元的 HVA28 設(shè)備相比，HVA28TD 設(shè)備包括集成的 Tan Delta 診斷功能。
它們都執(zhí)行 VLF 和 DC 測(cè)試，以及使用護(hù)套故障定位模式進(jìn)行的護(hù)套測(cè)試。
性能：考慮到尺寸和重量與輸出負(fù)載的突出特點(diǎn)。
占空比：這些測(cè)試裝置的工作時(shí)間不受熱限制；它們可以連續(xù)運(yùn)行。
安全第一：測(cè)試裝置有兩個(gè)獨(dú)立的接地裝置（電子和機(jī)械放電）和一個(gè)集成的 12 kV 瞬變保護(hù)系統(tǒng)（50 Hz），以保護(hù)操作員和設(shè)備。
現(xiàn)場(chǎng)使用：防水且非常堅(jiān)固的外殼，防護(hù)等級(jí)為 IP67（帶封閉蓋），無(wú)需額外的運(yùn)輸解決方案。
連接性：在現(xiàn)場(chǎng)，不需要外部 PC。以后可以通過(guò) USB 或藍(lán)牙下載所有結(jié)果，以便通過(guò)軟件工具進(jìn)行進(jìn)一步調(diào)查和輕松報(bào)告。
服務(wù)和維護(hù)：干式變壓器沒(méi)有油或電弧觸點(diǎn)，使這些測(cè)試裝置幾乎免維護(hù)。
MWT：此外，HVA28TD 提供受監(jiān)控的耐壓測(cè)試，這是符合 IEEE 400.2-2013 指南的耐壓測(cè)試和 Tan Delta 診斷的組合。
輸出電壓：最大29 kVpeak, 21 kVrms
輸出負(fù)載：0.5 μF @ 0.1 Hz @ 20 kVrms
重量：14 公斤/31 磅
B2 ELECTRONICS電纜測(cè)試儀其他常用型號(hào)：
B2 ELECTRONICS HVA28-TD
B2 ELECTRONICS HVA28
B2 ELECTRONICS HVA34-1
B2 ELECTRONICS HVA34 TD-1
B2 ELECTRONICS HVA45
B2 ELECTRONICS HVA45 TD
B2 ELECTRONICS HVA45
B2 ELECTRONICS HVA45 TD +4 KV
B2 ELECTRONICS HVA30-7
B2 ELECTRONICS HVA34
B2 ELECTRONICS HVA40-5
B2 ELECTRONICS HVA54-3
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B2 ELECTRONICS HVA68-2
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B2 ELECTRONICS HVA120
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B2 ELECTRONICS Low frequency and high voltage tester NEW + ORIGINAL+ ONE YEAR WARRANTY
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B2 ELECTRONICS電纜測(cè)試儀HVA28-TD技術(shù)參數(shù)及介紹
