XD1-G Differential protection

Product detail

Product code:
XD1
Price
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Product Information

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Available options

Differential Protection for Generators and Motors

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

Documentation (Brochures & Manuals)

Connection XD1G

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)

Benefits of the easy Professional Line

  • 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

Application

Protection of electrical (MV) synchronous generators against:

  • Insulation damage detection by differential current principle

Inputs and Outputs
Current transformer inputs 6
Output relays 2
Protection ANSI
Differential protection: Generator 87G
Mounting Type
Housing suitable for DIN rail mounting

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