HN8000變壓器套管介質(zhì)損耗在線監(jiān)測系統(tǒng)

HN8000變壓器套管介質(zhì)損耗在線監(jiān)測系統(tǒng)，變壓器套管在線監(jiān)測裝置用于主變?nèi)嗵坠艿慕閾p連續(xù)測量。本裝置為一體化結(jié)構(gòu)，采用傅立葉變換數(shù)字濾波技術(shù)，全自動智能化測量，強干擾下測量數(shù)據(jù)非常穩(wěn)定。測量結(jié)果由大屏幕液晶顯示。

二、主要技術(shù)指標    Performance Index

準確度：                     Cx:       ±（讀數(shù)×1%±2pF）

                tgδ:       ±（讀數(shù)×1%±0.0005）

抗干擾指標：                在電流諧波達到50%時仍能達到上述準確度

電容量范圍：                3-700pF

tgδ范圍：                   不限，分辨率0.001%。

末屏電流范圍：                                            0mA～30mA

PT電壓范圍：                0v～250V

報警設定：                  報警根據(jù)用戶要求設定

數(shù)據(jù)存儲：                  可存儲兩年以上的數(shù)據(jù)

保護電路：                  浪涌電流保護

輸入電源：                 180V～270VAC，50Hz/60Hz±1%

環(huán)境溫度：                   -20℃～70℃

Accuracy:                  Cx:     ±（reading×1%±2pF）

                           tgδ:    ±（reading×1%±0.0005）

Anti-interference parameter:    When the current harmonics reaches 50%, the above accuracy can still be achieved.

Capacitance scope:          3-700pF

Tgδ scope:                  No limitation, resolution 0.001%.

End shield current scope:   0mA～30mA

PT voltage scope:           0v～250V

Alarm setting:              The alarm shall be set by the user.

Data storage:               The data shall be stored for two year.

Protective circuit:         Surge current protection.

Input power supply:        180V～270VAC，50Hz/60Hz±1%。

Ambient temperature:        -20℃～70℃