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SPECIFICATIONS:
Part Number: IC3603A291A
Manufacturer: General Electric
Product Type: Rectifier Isolator Assembly Module
Series: Mark I & II
Power Supply Voltage: 24 V dc
Supply Voltage Range: 18-56 VDC
Block Power: 24/48 Volts DC
Isolation Voltage: 1500 V AC
Output response time: 1.0 msec
Operating temperature: 10 to 40 �C
Size: 8.83 (22.44cm) x 3.50 (8.89cm) x 3.94
Mounting: Rack-mounted
Availability: In Stock
Country of Origin: USA
FUNCTIONAL DESCRIPTION:
IC3603A291A is a Rectifier Isolator Assembly Module manufactured and designed by General Electric as part of the Mark II Series used in GE Speedtronic Control Systems. It is designed to convert alternating current (AC) generated by the turbine alternator into stable direct current (DC), while providing electrical isolation between the input and output. This isolation protects sensitive control circuits, sensors, and electronic components from high-voltage transients or faults on the AC side. The module also contains filtering capacitors that smooth the pulsating DC output, ensuring a stable voltage supply for turbine control algorithms, actuators, monitoring systems, and battery charging, which is crucial for reliable turbine operation, including speed regulation, load balancing, and emergency shutdown procedures.
OPERATION:
The module operates by allowing current to flow in one direction using rectifying diodes, effectively converting AC into pulsating DC. The integrated capacitors and voltage regulation features then smooth and stabilize the DC output to reduce ripples and fluctuations. Electrical isolation ensures that any disturbances or high-voltage spikes from the AC supply do not propagate to sensitive control electronics, enhancing system safety and reliability. Additional protection features, such as overload or short-circuit safeguards, prevent damage during abnormal operating conditions, further supporting continuous and secure turbine operation.
INSTALLATION:
The module requires a 24 V DC supply (operating range 18�56 V DC) and must be connected to both the AC input bus and DC output terminals using appropriately rated wiring to handle the expected current load. Proper grounding and bonding are essential to maintain electrical isolation and prevent transient voltages from affecting sensitive control circuits. The module should be mounted in an environment with a controlled ambient temperature of 10�40 �C, ensuring adequate ventilation to prevent overheating of rectifying diodes and filtering capacitors.
WOC maintains the largest inventory of OEM replacement parts for GE Speedtronic Gas Turbine Control Systems, providing unused and rebuilt boards as well as expert repair services for faulty or damaged components, all backed by a comprehensive warranty for reliability and peace of mind. Our team of highly skilled engineers and technicians is available 24/7 to provide prompt support for all OEM and automation requirements, including system troubleshooting, technical consultation, and component selection. At WOC, we are committed to delivering fast, dependable solutions tailored to your operational needs, whether it is sourcing critical parts, performing precise repairs, or upgrading your turbine control systems. For pricing, availability, or technical assistance, our team is ready to assist via phone or email, ensuring timely and professional support every step of the way.
What is a Rectifier Isolator Assembly Module?
A Rectifier Isolator Assembly Module is an electrical component that converts AC (alternating current) from turbines into DC (direct current) while providing electrical isolation between the input and output. This isolation protects sensitive control circuits, sensors, and electronic components from high-voltage transients or faults on the AC side.
Why is electrical isolation important in turbine control systems?
Electrical isolation ensures that high-voltage spikes or AC-side faults do not propagate to sensitive control electronics. This protects turbine control circuits, monitoring devices, and battery systems, maintaining safe and reliable operation.
What are the key functions of the IC3603A291A module?
It performs AC-to-DC conversion, electrical isolation, voltage stabilization, ripple filtering, and often includes overload or short-circuit protection, ensuring reliable operation of turbine control and monitoring systems.
