Product & Technical FAQ
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This technical FAQ explains common questions about power plant equipment such as steam turbine systems, EHC control systems, TSI monitoring systems and industrial filtration components.
What is the EHC system in a steam turbine?
The EHC (Electro-Hydraulic Control) system controls the turbine speed and load through hydraulic actuators and electronic control signals.
What does the TSI system monitor?
The TSI (Turbine Supervisory Instrumentation) system monitors turbine operating parameters such as shaft vibration, axial displacement and differential expansion.
What is the MEH system in a power plant?
MEH stands for Micro Electro-Hydraulic control system, which is used for precise turbine control and protection.
What are power plant filters used for?
Power plant filters are used to remove contaminants from oil, water or air systems to protect equipment and maintain system efficiency.
How often should turbine oil filters be replaced?
Replacement intervals depend on operating conditions, but turbine oil filters are typically replaced every 3–6 months or according to pressure drop indicators.
What materials are used in turbine bearings?
Common materials include Babbitt alloy, copper alloy, and special composite materials for high load and high temperature conditions.
What are Babbitt bearings used for?
Babbitt bearings are widely used in turbines and generators because of their excellent anti-friction and load-carrying properties.
What is a ceramic-lined steel pipe?
A ceramic-lined steel pipe is a wear-resistant pipe with a ceramic inner layer used for transporting abrasive materials.
What insulation materials are used in generators?
Generator insulation materials include insulation varnish, mica insulation, epoxy resin and insulating tapes.