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Siemens 7SD502 Instruction Manual page 53

Numerical line differential protection with 2 pilot wires

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7
8y‚ ‚e„ih †yv„eqiƒ   $" Thg& Qyvhi‚ f‚shqiƒ U exh U3 w…ƒ„ fi ps„„ih È€sgu…€ e€€‚yˆ " TÉ
8y‚ ‚e„ih †yv„eqiƒ ! Thg& Qyvhi‚ f‚shqiƒ U we‰ fi ‚iwy†ih È€sgu…€ e€€‚yˆ $ TÉ
8y‚ ‚e„ih †yv„eqiƒ ! Thg& Qyvhi‚ f‚shqiƒ U exh U3 we‰ fi ‚iwy†ih È€sgu…€ e€€‚yˆ " TÉ
5…„ exh fixh eƒshi

É 4‚shqiƒ U3 sx xi‡i‚ wyhivƒ yxv‰
4sxe‚‰ sx€…„
‚e„ih †yv„eqiƒ   $" Thg& Qyvhi‚ f‚shqiƒ U exh U
‚e„ih †yv„eqiƒ ! Thg& Qyvhi‚ f‚shqi U
‚e„ih †yv„eqiƒ ! Thg& Qyvhi‚ f‚shqiƒ U exh U
5…„ exh fixh eƒshi
4sxe‚‰ sx€…„ &
‚e„ih †yv„eqiƒ   $" Thg& Qyvhi‚ f‚shqiƒ U exh U
‚e„ih †yv„eqiƒ ! Thg& Qyvhi‚ f‚shqi U
‚e„ih †yv„eqiƒ ! Thg& Qyvhi‚ f‚shqiƒ U exh U
5…„ exh fixh eƒshi
e
‚ i
U

U

U

U

É 4‚shqiƒ U exh U
7
 !
7
4sxe‚‰ sx€…„ & Qyvhi‚ f‚shqi U! exh U!3
 !
7
4sxe‚‰ sx€…„ & Qyvhi‚ f‚shqiƒ U" exh U"3
„y€
&

UU
É py‚ fsxe‚‰ sx€…„

UU
É py‚ fsxe‚‰ sx€…„ 
sx xi‡i‚ wyhivƒ yxv‰

É w…ƒ„ fi ps„„ih È€sgu…€ e€€‚yˆ "TÉ

É we‰ fi ‚iwy†ih È€sgu…€ e€€‚yˆ $ TÉ

É we‰ fi ‚iwy†ih È€sgu…€ e€€‚yˆ " TÉ

É w…ƒ„ fi ps„„ih È€sgu…€ e€€‚yˆ "TÉ

É we‰ fi ‚iwy†ih È€sgu…€ e€€‚yˆ $ TÉ

É we‰ fi ‚iwy†ih È€sgu…€ e€€‚yˆ " TÉ

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