CPR 24-40
Careful matching of the array to the DC converter is not required. The CP Unit can provide:
1) Adjustable current output with fixed upper limit on voltage output
OR
2) Adjustable voltage output with fixed upper limit on current output.
Protection System
Current Load
Typical Negative
Since corrosion protection systems normally operate in remote, unattended sites, they should be protected from the common effects that make them fail such as: lightning exposure, battery damage, and short-circuits. That's why every Kyocera Solar, Inc. CP Unit includes lightning transient suppression, a low battery shut-down circuit and output overload protection. Our dual transient protection network will suppress electrical spikes and surges that normally damage field equipment. If the storage batteries become discharged due to cloudy days or photovoltaic system failure, the CP Unit will automatically shut down, preventing excessive discharge and protecting the battery from permanent damage and costly replacement. Our built-in circuit-breaker prevents damage to the CP and other components, should the output leads become shorted to one another. To help
reduce overall system cost, the CP includes adjustable current and voltage outputs. Standard photovoltaic modules can be used and the CP output adjusted to the desired level.
CPR 12/24-15 and CPR 12/24-40
CATHODIC PROTECTION CONTROLLERS
The Cathodic Protection Unit (CP) is a specialized power converter which provides DC current to metal pipelines, storage tanks, bridges, or other exposed equipment to cancel the effects of natural chemical corrosion. The CP operates directly from storage batteries common to photovoltaic systems and is equipped with a low voltage shut-down feature to prevent battery damage. It is suitable for use in systems of either positive or negative ground.
The Cathodic Protection Controller is designed for trouble-free service in all environments and includes many special features which make it easy to operate and maintain in the field. Power consumption and heat generation are minimized in the CP since efficient solid
state circuitry is used instead of ballast resistors typical of earlier cathodic protection units. The power circuit contains no moving parts to wear out or break down. Quality digital voltage and current
meters provide output monitoring which facilitates field adjustment. This is easily performed by inserting a small screwdriver through the faceplate. Recalibration can be performed in minutes without special tools or meter equipment.
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