XD1-G Differential protection (XD1G11..)
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Product number:
XD1G11..
Configuration
Order Variants of the XD1G
- XD1G11 (1 A CTs, auto reset = no latching) – ANSI 87G, 87M
- XD1G11SAT (1 A CTs, prot. against CT saturation, auto reset = no latching) – ANSI 87G, 87M
- XD1G11SPSAT (1 A CTs, prot. against CT saturation, latched = manual reset) – ANSI 87G, 87M
- XD1G55 (5 A CTs, auto reset = no latching) – ANSI 87G, 87M
- XD1G55SAT (5 A CTs, prot. against CT saturation, auto reset = no latching) – ANSI 87G, 87M
- XD1G55SPSAT (5 A CTs, prot. against CT saturation, latched = manual reset) – ANSI 87G, 87M
Differential Protection Settings
| Parameter | Setting Range |
|---|---|
| Id1 | 5% … 42.5% × I N |
Auxiliary Voltage
Voltage supply via wide-range power supply unit:
Auxiliary voltage range | 19 … 390 V DC or 35 … 275 V AC (f = 40 … 70 Hz) |
- Fast DIN rail mounting ⇛ easy and fast mounting
- Sealable plastic covers ⇛ safe (see if anybody has broken the seal)
- Super easy settings via front buttons ⇛ fast without computer
- LED and output relays fault indication ⇛ easy to find out what has happened
- Compact form factor ⇛ fits in small spaces
- IT security ⇛ no way to attack via Ethernet
- Robust and reliable ⇛ well proven reliable quality
- Wide Range Power Supply ⇛ don’t worry about available supply voltage
- Integrated Self-Test Procedure (via button) ⇛ fast and easy checks: relays, LEDs
Protection of electrical (MV) synchronous generators against:
Insulation damage detection by differential current principle