Energy transmission and communications system with remote communications interface

A termination/signal injector for an energy transmission and communications system, the termination/signal injector configured to be installed at one or both ends of a conductor, the termination/signal injector comprising:

• a first jumper connected to a first power line, a second power line, a third power line, and a protective earth line, the first jumper for connecting to a power bus cable electrically coupled to a power supply, the power bus cable including a first phase wire, a second phase wire, a third phase wire, and a protective earth ground wire, the first power line configured to connect to the first phase wire, the second power line configured to connect to the second phase wire, the third power line configured to connect to the third phase wire, and the protective earth line configured to connect to the protective earth ground wire;
• at least a second jumper connected to a first signal line, a second signal line, and a third signal line, the second jumper for connecting to a signal cable electrically coupled to a remote hub, the remote hub spaced apart from the power supply at a distance, the signal cable including a first signal wire, a second signal wire, and a third signal wire, the first signal line configured to connect to the first signal wire, the second signal line configured to connect to the second signal wire, and the third signal line configured to connect to the third signal wire;
• a coupling including a first set of coupling capacitors, a second set of coupling capacitors, and a third set of coupling capacitors, the first set of coupling capacitors having a first capacitor in parallel with a second capacitor connected between the first signal line and the first power line, the second set of capacitors having a third capacitor in parallel with a fourth capacitor connected between the second signal line and the second power line, and the third set of capacitors having a fifth capacitor in parallel with a sixth capacitor connected between the third signal line and the third power line, wherein the first, second, and third sets of coupling capacitors are configured to couple a signal received from the signal cable to the power bus cable and restrict electric power in the power bus cable from reaching the remote hub;
• a shunt resistor configured to connect to a ground, the shunt resistor connected to at least one of the first, second, or third signal lines, wherein the shunt resistor is configured to reduce signal loss and maintain ground potential on the first, second, and third signal lines;
• and
• a termination unit having a termination impedance, the termination unit including a plurality of resistors between the first signal line, the second signal line, and the third signal line.

A signal injector for an energy transmission and communications system, the signal injector configured to be installed at one or both ends of a conductor, the signal injector comprising:

• a first jumper connected to a plurality of power lines, the first jumper for connecting to a power bus cable electrically coupled to a power supply, the power bus cable including a plurality of phase wires, the plurality of power lines configured to connect to the plurality of phase wires;
• at least a second jumper connected to a plurality of signal lines, the second jumper for connecting to a signal cable electrically coupled to a remote hub, the remote hub spaced apart from the power supply at a distance, the signal cable including a plurality of signal wires, the plurality of signal lines configured to connect to the plurality of signal wires;
• a coupling including at least a first set of coupling capacitors, the first set of coupling capacitors configured to couple a signal received from the signal cable to the power bus cable and restrict electric power in the power bus cable from reaching the remote hub;
• and
• a shunt resistor configured to connect to a ground, the shunt resistor connected to at least one of the plurality of signal lines, wherein the shunt resistor is configured to reduce signal loss and maintain ground potential on the plurality of signal lines.