Redundancy in Coupling Power Line Carrier Channels to the Power ...

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SCHEMES WITH COMPLETE REDUNDANCY
TWO PLC CHANNELS, COUPLED TOGETHER VIA PHASE TO PHASE USING EITHER SINGLE FREQUENCY OR WIDEBAND TUNERS T R T R S Primary Relay PLC Channel A S Secondary Relay PLC Channel B 1→ 1→ Note: Coax should be grounded in the house, not in the yard 0.707→ 0.707← 0.707→ 0.707← Balance Transformers (4) (A) 0.5→ (B) 0.5← (A) 0.5← (B) 0.5→ (A) 0.5→ (B) 0.5← (A) 0.5← (B) 0.5→ CCVTs
Page 1 and 2: REDUNDANCY IN COUPLING POWER LINE C
Page 3 and 4: WHY? • Eliminate misconceptions
Page 5 and 6: MODE 1 COUPLING EFFICIENCY
Page 7 and 8: CENTER PHASE TO GROUND COUPLING 1 1
Page 9 and 10: TWO INDEPENDENT PLC CHANNELS, EACH
Page 11 and 12: 1 → CENTER PHASE-TO-OUTER PHASE C
Page 13: 1 → 0.707 ← 0.707 → 0.5 ← M
Page 17: T R Primary Relay PLC Channel A T R

Redundancy in Coupling Power Line Carrier Channels to the Power ...

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