IC3600SVZA1B - Volt Regulator Card

SPECIFICATIONS

Part No: IC3600SVZA1B
Manufacturer: General Electric
Function: Volt Regulator Card
Series: Mark I and II
Repair: 3-7 Day
Availability: In Stock
Country of Manufacturer: United States (USA)

Functional Description

IC3600SVZA1B is a Volt Regulator Card developed by GE. It is a part of Mark I and II control system. The card maintains stable voltage levels within the turbine’s excitation and electrical power systems. It works by sensing voltage fluctuations and dynamically adjusting the excitation current to the generator, thereby ensuring consistent output voltage under varying load conditions. This regulation is critical not only for the performance of the turbine itself but also for the stability of the power supplied to the grid or connected systems.

Features

• The gas turbine and its driven load, like any prime mover and its connected mechanical or electrical systems, must be carefully protected from conditions that could lead to equipment damage, operational failure, or safety hazards. A well-designed protection scheme ensures the turbine operates within safe limits and shuts down quickly if critical thresholds are exceeded.
• These protective measures can generally be classified into two main categories. The first category includes simple trip signals that respond to basic fault conditions. These are often implemented using pressure switches, level detectors, or system relays. Examples include tripping the system due to low lube oil pressure, high compressor discharge pressure, or generator differential faults. These are binary, on-off type signals that require immediate shutdown when triggered.
• The second category involves more complex protection parameters, which require continuous monitoring and sophisticated logic to analyze varying signal levels. These include critical conditions such as overspeed, overtemperature, excessive vibration, and flame failure. These parameters are not as straightforward and rely on accurate sensors and advanced control algorithms to determine when a fault is occurring or imminent.
• For example, overspeed protection is vital to prevent mechanical failure or explosion and is achieved through high-speed monitoring sensors. Overtemperature protection ensures that turbine components do not exceed safe thermal limits, using thermocouples or RTDs (Resistance Temperature Detectors). Vibration monitoring helps detect imbalances, misalignment, or bearing wear that could lead to mechanical damage. Lastly, flame detection systems monitor combustion and help prevent dangerous situations such as fuel buildup or explosion due to loss of flame.

WOC is happy to assist you with any of your GE requirements. Please contact us by phone or email for pricing and availability on any parts and repairs.

FREQUENTLY ASKED QUESTIONS

What is IC3600SVZA1B?
It is a Volt Regulator Card developed by GE.

What are complex protection parameters in Mark I and II?
These involve continuous monitoring and advanced logic processing. Examples include overspeed detection, temperature monitoring, vibration analysis, and flame loss detection.

How is overspeed detected and prevented?
Overspeed is monitored using high-precision speed sensors. If turbine speed exceeds the safe threshold, the control system initiates a fast shutdown to prevent catastrophic failure.

How does overtemperature protection work?
Temperature sensors such as thermocouples or RTDs monitor critical turbine areas. When temperatures exceed safe operating limits, the system either reduces load or trips the turbine.