LINETRAXX® NGRM500

NGRM500 僅適用於高電阻接地系統。在這些系統中，NGRM500 監測以下項目：

為了符合適用標準的要求，必須在設備上進行客製化的參數設定，以設定其適用於現場設備與操作條件。

特色

Determination of R_NGR with passive and active measurement methods
Continuous monitoring of the R_NGR even if the installation is de-energised;
Alarm or trip on ground fault
Monitoring of the current I_NGR
Monitoring of the voltage U_NGR
Ethernet communication
Web server
Language selection (German, English GB and US, Spanish, French)
Test button (internal, external) with/without tripping
FFT analysis of the measuring signals
Pulser for manual ground fault location
Relay for detection of ground faults and resistor faults
Relay for shutdown of the installation after a configurable time
Can be combined with RCMS… for automatic shutdown of feeders
Graphical user interface
Wide supply voltage range
Range of use up to 2000 m AMSL
Fault/History memory
Analogue output of measured values (0…10 V, 4…20 mA, etc., selectable parameters)
Password protection
Tripping on RMS, fundamental component signal or harmonics
Detection of AC and DC ground faults

型號	電源電壓 U_S/ 頻率範圍 Hz	貨號
NGRM500	AC 48…240 V, 40…70 Hz DC 48…240 V	B94013500

CD系列耦合器

測量比流器

測量比流器 CTUB103… 的電源供應器