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- Neware
- Pine Research
- OKOndt Group
- Novocontrol
- Norecs
- METERTEST
- Microrad
- Metrel
- Labdex
- SDT
- micrux
- AARONIA AG
- ADASH
- Amptek
- AOiP
- AstroNova
- AWSensors
- Automatic Research
- BASI
- BRS
- BWB Technologies
- Cmc
- CTRL
- CALMET
- CHECKLINE
- Coxem
- C-Tech
- DV Power
- DANATRONICS
- ECH
- Elsys
- Enervac
- Enapter
- ELVEFLOW
- EA Technology
- EL-CELL
- ENERGY SUPPORT
- Electrothermal
- FASTEC
- GE
- GMW
- Gaskatel
- GIUSSANI
- Globecore
- GREENLIGHT
- GRZ
- HTW
- HIGH SENSE SOLUTIONSHTW
- HUBER
- Labnics
- Ida
- LIQUID
- Instytut Fotonowy
- KEHUA TECH
- JGG
- HVPD
- Jenway
- Jacomex
- IVIUM
- ndb
- OZM
- Redoxme
- Serstech
- SATIR
- VacCoat
- Zurich
變電所開關櫃局部放電監測|預警系統
EA Partial Discharge (PD) Activity Early Warning System 型號:UltraTEV Alarm- 為簡單、低成本、持續監測變電所開關設備的解決方案,能在狀況或安全問題導致故障前,就將問題辨識出來,是不可或缺的局部放電活動預警系統。
- 使用超音波及暫態地電壓(TEV)二種感測器進行有效且持續的監測。
- 多節點感測器裝置可同時監測100多個設備。
- 可隨地透過電子郵件或文字簡訊接收警報。
- 可同時測量局部濕度與溫度條件。
- 中央主機LED指示燈,提供即時的局部放電問題指示。
-
- UltraTEV Alarm™為簡單、低成本、持續監測變電所開關設備的解決方案,能在狀況或安全問題導致故障前,就將問題辨識出來,是不可或缺的局部放電活動預警系統。
- 優點:
- 及早的狀況預警,可防止故障發生。
- 在需要進行維護時,能及時著手處理。
- 假如開關櫃已處於危險狀態,則發報警報。
- 絶佳的成本與收益。
- 特點:
- 使用超音波及暫態地電壓(TEV)2種感測器進行有效且持續的監測。
- 多節點感測器裝置可同時監測100多個設備。
- 可隨地透過電子郵件或文字簡訊接收警報。
- 可同時測量局部濕度與溫度條件。
- 中央主機LED指示燈,提供即時的局部放電問題指示。
- 操作:
- 採用超音波模式測量表面局部放電活動,並將結果與其它類似設備的結果互相比較。
- 從音頻輸出端收聽表面局部放電活動。
- 測量節點連接到警報主機,當一個或多個設備的局部放電活動處於臨界位準時,警報主機便發報指示。
- 個別感測器節點上的LED燈,指示受影響的設備。
- 聲響/視覺警報裝置,可安裝在變電所外面,以提高安全性。
- 超音波接觸式探棒偵測密封電纜盒中的局部放電活動。
- 可作為便攜式系統或固定安裝式系統使用。
-
- 警報節點:
- 信號輸入:內建暫態地電壓感測器(TEV)及供外部超音波感測器使用的輸入端。
- TEV頻寬:3 - 80MHz。
- 超音波中心頻率:40kHz。
- 指示燈:
- 電源/運行LED燈:紅/綠雙色LED燈。
- 當前TEV警報燈:紅/綠雙色LED燈。
- 歷程TEV警報燈:紅/綠雙色LED燈。
- 當前超音波警報燈:紅/綠雙色LED燈。
- 歷程超音波警報燈:紅/綠雙色LED燈。
- 連接介面:
- 電源與警報信號:2個off 4路接線端子。
- 超音波感測器:Lemo插座。
- 控制介面:
- 重置輸入:埋入式押扣按鈕。
- 測試信號:埋入式押扣按鈕。
- 輸出:
- 警報信號:脈衝編碼調變。
- 體積:105x105x50mm。
- 重量:0.26kg。
- 電源:低壓直流24V 36mA。
- 防護等級:IP53。
- 詳細規格、配件、軟體及選購,歡迎洽詢。
- 警報節點:
-
- The UltraTEV Alarm™ provides simple, low cost, continuous monitoring of substation switchgear. EA Technology’s UltraTEV Alarm™ can identify faults and safety issues BEFORE they lead to failures making it the Partial Discharge (PD) activity early warning system that businesses cannot be without.
- Benefits:
- Early warning of faults prevents failures
- Enables timely interventions when maintenance is required
- Warns personnel if switchgear is in a dangerous condition
- Excellent cost/benefit justification
- Features:
- Effective continuous monitoring with both ultrasonic and Transient Earth Voltage (TEV) sensors
- Multi-node sensor units can monitor 100+ assets simultaneously
- Receive alerts anywhere, via email or text message
- Simultaneously measures local humidity and temperature conditions
- Central Hub unit LED indicators provide immediate indication of PD problems
- Operation:
- Measure the surface activity using the ultrasonic mode, and compare the result with those taken from other similar assets
- Listen to the surface PD activity from the audio output (the system heterodynes the ultrasonic signal for this purpose)
- Nodes are linked to the Alarm Hub which indicates when PD activity in one or more assets is at critical level
- LEDs on the individual sensor nodes indicate which assets are affected
- Audible/visible alarms can be mounted outside the substation for added safety
- Ultrasonic Contact Probe detects PD activity in sealed cable boxes
- Can be used as a portable system or installed permanently
-
- Alarm Node:
- Signal Input: Built in TEV sensor plus input for external ultrasonic sensor
- TEV Pass band: 3 – 80 MHz
- Ultrasonic Centre Frequency: 40 kHz
- Indicators:
- Power/Running LED Bi-colour Red/Green LED
- Current TEV Alarm Bi-colour Red/Green LED
- Historic TEV Alarm Bi-colour Red/Green LED
- Current Ultrasonic Alarm Bi-colour Red/Green LED
- Historic Ultrasonic Alarm Bi-colour Red/Green LED
- Connectors:
- Power and Alarm Signals 2 off four-way terminal block
- Ultrasonic Sensor Lemo socket
- Controls:
- Reset Input: Recessed Push-button
- Test Signal: Recessed Push-button
- Outputs:
- Alarm Signals: Pulse Code Modulation
- Dimensions:
- Size: 105 x 105 x 50 mm
- Weight: 0.26 Kg
- Power Supply:
- Low Voltage DC: 24V 36 mA
- IP Rating: 53
- Please feel free to contact for detailed specifications, accessories, software and options.
- Alarm Node: