AIR / OIL COOLED CATHODIC PROTECTION RECTIFIERS


Protects buried pipelines and storage tanks from corrosion.
Our Air and Oil cooling Recti ers includes wide range of protection and measurement features. The ultimate solution for continuous supervisory operation.

• Advantages at a Glance:
• Microprocessor control.
• Internal interrupter.
• Input for external interrupter.
• Input and output lightning strike protection.
• Single Phase (110/220 VAC ) - Three Phase (380 VAC).
• Current rating: 20, 40,100,200 ,300 Amperes DC all at 50V DC.
• Variac Control with Motor.
• 63 step tap adjustment (4 coarse, 4 medium, 4 ne.)
• 3 Reference inputs.
• Mode of operation: Pre-adjusted Constant voltage, Constant current, Constant potential (Instant o ).
• Selectable; manual or protect.
• Communications – GSM.
• RS485 Modbus.
• 4-20 mA.
• Diode –Thyristor / IGBT Module control.
• Oil level and heat monitor.
• Zn Reference input.
• Silica-Gel protect.
• High resolution current and voltage adjustment.
• Built in Analog-Digital display with Voltage, Current, Energy and Potential measurements.
• System e ciency: 85% min.
• Variety of enclosure types with built-in accessories (lightning arrestors, etc.).

Protection Features:


• Over current on the output.
• Phase loss (power down).
• Over voltage on the input side (Lightning protected).
• Over voltage on the output side (Inductive voltage from external sources).

Alarms:


• Input voltage failure.
• Output current error.
• Output voltage error.
• Reference potential error.
• Anode line error.
• Cathode line error.
• Over Hydrogen.
• Enclosure over temperature.

RMU Remote Monitoring Unit:


• Volt, Ampere and Potential measurements.
• RS485 with Modbus protocol.
• GSM Communication.
• Interrupter control Optional external interrupter. • Under Voltage and No Current alarm.

Scope of applications:


• Pipelines (Water, sewage, gas, crude oil, etc.).
• Ships hulls.
• Storage tanks.
• Water-circulating systems.
• Jetties and harbor structures.
• Storage tanks (Fuel, oil and water).
• O shore platforms, oating and immersed structures.



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