Teleprotection
GARD 8000 SYS RFL Electronics
March 1, 2006 9-1 973.334.3100
SECTION 9. TELEPROTECTION
9.1 TELEPROTECTION OVERVIEW
The GARD 8000 Teleprotection Communications interface can be configured for digital, audio, or
fiber optic media. It is suited for all standard and non-standard pilot protection schemes. For
Teleprotection Commissioning see Section 4.6.1 and for Chassis Configuration see Section 7.
9.2 TELEPROTECTION APPLICATIONS
The primary GARD Digital Teleprotection System consists of four teleprotection (TPS) channels
located on the Display With TPS module. Each TPS channel is capable of transmitting and receiving
eight independent and simultaneous bi-directional commands over a single communications interface.
Each TPS channel utilizes its own addressing and channel delay measurements. Addressing and
Channel Delay measurements are sent and received with each message. Functionality of the TPS
system is dependent on logic programming. Standard default logic is available to satisfy most
applications. For applications that are not covered in one of the default logics, custom logic can be
provided by RFL.
The GARD 8000 Teleprotection Channel is fully programmable and is suitable for Direct Transfer
Trip, Permissive Transfer Trip, and Blocking and Unblocking applications. Each of these is described
on the following pages.
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