Controller system for a DC power supply
First Claim
Patent Images
1. A controller system for use with a DC power supply system for telecommunications equipment, said system including at least one power rectifier having a controllable DC output current and voltage and at least one battery being charged by said rectifier and providing DC power during absence of AC power to said rectifier, said controller system comprising:
- a controller unit provided separate from said rectifier;
voltage sense leads connected across said battery to measure the DC voltage thereof and connected to said unit;
a control signal bus connecting said unit to said rectifier; and
control means associated with said unit for monitoring at least the voltage of said battery and generating variable control signals on said bus for controlling said controllable DC output current and voltage of said rectifier, whereby said bus signals facilitate interconnection between said rectifier and the separate controller unit.
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Accused Products
Abstract
The DC power supply system has a separate controller connected to the AC power rectifiers via a control bus. Improved control features and modularity are achieved.
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Citations
21 Claims
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1. A controller system for use with a DC power supply system for telecommunications equipment, said system including at least one power rectifier having a controllable DC output current and voltage and at least one battery being charged by said rectifier and providing DC power during absence of AC power to said rectifier, said controller system comprising:
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a controller unit provided separate from said rectifier; voltage sense leads connected across said battery to measure the DC voltage thereof and connected to said unit; a control signal bus connecting said unit to said rectifier; and control means associated with said unit for monitoring at least the voltage of said battery and generating variable control signals on said bus for controlling said controllable DC output current and voltage of said rectifier, whereby said bus signals facilitate interconnection between said rectifier and the separate controller unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A DC power supply system for telecommunications equipment comprising:
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a plurality of power rectifiers having a controllable DC output current and voltage; means interconnecting said power rectifiers to operate synchronously at a same voltage; at least one battery being charged by said rectifiers and providing DC power for said telecommunications equipement during absence of AC power to said rectifier; a controller unit provided separate from said rectifiers; voltage sense leads connected across said battery to measure the DC voltage thereof and connected to said controller unit; a control signal bus connecting said controller unit to said rectifiers; and control means associated with said controller unit for monitoring the voltage of said at least one battery and generating variable control signals on said bus for controlling said controllable DC output current and voltage of said rectifiers, whereby said bus signals facilitate interconnection between said rectifiers and the separate controller unit. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification