Podcast
Questions and Answers
What is the main benefit of using a microprocessor-based digital control like the Peak 150?
What is the main benefit of using a microprocessor-based digital control like the Peak 150?
- It eliminates the need for any external input signals.
- It requires specialized knowledge to operate.
- It allows flexible configuration for various control applications. (correct)
- It increases the cost and delivery time.
What signal does the Peak 150 control accept for adjusting turbine speed?
What signal does the Peak 150 control accept for adjusting turbine speed?
- A digital signal only.
- A 4–20 mA remote speed control signal. (correct)
- A manual override signal.
- A standard AC power signal.
In which operating mode does the Peak 150 control ignore the remote speed setting analog input?
In which operating mode does the Peak 150 control ignore the remote speed setting analog input?
- Idle speed mode.
- Remote speed set mode.
- Manual mode. (correct)
- Combination mode.
What happens when the turbine is at or above minimum governor speed in remote speed set mode?
What happens when the turbine is at or above minimum governor speed in remote speed set mode?
What is the function of the over-speed trip test capabilities in the Peak 150 control?
What is the function of the over-speed trip test capabilities in the Peak 150 control?
Which mode allows for both manual control and remote speed adjustment?
Which mode allows for both manual control and remote speed adjustment?
How is the turbine typically started according to the control operation?
How is the turbine typically started according to the control operation?
What occurs if the remote speed setting signal is disabled?
What occurs if the remote speed setting signal is disabled?
What is the primary function of the combination mode?
What is the primary function of the combination mode?
What is the role of the Programming Unit in the system?
What is the role of the Programming Unit in the system?
How does the system handle speeds within the critical speed band?
How does the system handle speeds within the critical speed band?
Which input does not fall under the category of pickup inputs?
Which input does not fall under the category of pickup inputs?
What does the analog output provide?
What does the analog output provide?
Which function is NOT available through the operator control panel?
Which function is NOT available through the operator control panel?
What is the maximum allowed input frequency for pickup inputs?
What is the maximum allowed input frequency for pickup inputs?
What type of communication protocol is an option for the Peak 150?
What type of communication protocol is an option for the Peak 150?
Which relay output function can be configured?
Which relay output function can be configured?
What is the minimum voltage requirement for pickup inputs?
What is the minimum voltage requirement for pickup inputs?
What is required for programming the Peak 150 control?
What is required for programming the Peak 150 control?
Which communication protocols are supported by the Peak 150 control?
Which communication protocols are supported by the Peak 150 control?
What must be ensured regarding overspeed protection when using the Peak 150 control?
What must be ensured regarding overspeed protection when using the Peak 150 control?
What happens if you don’t save set points before removing power from the Peak 150 control?
What happens if you don’t save set points before removing power from the Peak 150 control?
In which mode can the transmission for the Peak 150 control be set?
In which mode can the transmission for the Peak 150 control be set?
What is the danger associated with improperly configuring the Peak 150 control?
What is the danger associated with improperly configuring the Peak 150 control?
What key warning must be observed regarding the Peak 150 control when in a hazardous atmosphere?
What key warning must be observed regarding the Peak 150 control when in a hazardous atmosphere?
When should the turbine not be started according to the guidelines for Peak 150 control?
When should the turbine not be started according to the guidelines for Peak 150 control?
What type of control system is the Woodward Peak 150 designed to manage?
What type of control system is the Woodward Peak 150 designed to manage?
Which aspect is NOT included in the training for the CCC A3 Anti-Surge Controller?
Which aspect is NOT included in the training for the CCC A3 Anti-Surge Controller?
In what mode is control achieved through user input in the Peak 150 system?
In what mode is control achieved through user input in the Peak 150 system?
What is an essential part of the programming process for the WW Peak 150 Controller?
What is an essential part of the programming process for the WW Peak 150 Controller?
What is the main focus of the training during Weeks 5 to 8?
What is the main focus of the training during Weeks 5 to 8?
Which component is reviewed in the context of the ProMistic Control System?
Which component is reviewed in the context of the ProMistic Control System?
What is the primary role of the Anti-Surge Control System?
What is the primary role of the Anti-Surge Control System?
Which of the following is NOT a focus of Hands-on Work sessions scheduled for weeks 13 to 16?
Which of the following is NOT a focus of Hands-on Work sessions scheduled for weeks 13 to 16?
Which type of communication is included in the training for the Peak 150?
Which type of communication is included in the training for the Peak 150?
What is an essential factor when diagnosing faults in the Woodward Peak 150?
What is an essential factor when diagnosing faults in the Woodward Peak 150?
Which term is defined as an uncontrolled increase in the output of a compressor?
Which term is defined as an uncontrolled increase in the output of a compressor?
Which training component is focused on understanding specific wiring layouts for troubleshooting?
Which training component is focused on understanding specific wiring layouts for troubleshooting?
What type of algorithms are involved in the CCC A3 Anti-Surge Controller?
What type of algorithms are involved in the CCC A3 Anti-Surge Controller?
What is the maximum baud rate configuration option available for the Modbus Port?
What is the maximum baud rate configuration option available for the Modbus Port?
Which Modbus Port Stop Bit Configuration option indicates a format with two stop bits?
Which Modbus Port Stop Bit Configuration option indicates a format with two stop bits?
Which parity option indicates a standard where the parity bit is not used?
Which parity option indicates a standard where the parity bit is not used?
What type of hardware configuration uses RS 485?
What type of hardware configuration uses RS 485?
How many options are available for Modbus Port Baud Rate Configuration?
How many options are available for Modbus Port Baud Rate Configuration?
Which DI indicates the status of the external trip feature?
Which DI indicates the status of the external trip feature?
What status does the Tripped LED indicate?
What status does the Tripped LED indicate?
Which configuration is not an option for Modbus Port Parity?
Which configuration is not an option for Modbus Port Parity?
Which relay status option indicates that a configuration relay is turned on?
Which relay status option indicates that a configuration relay is turned on?
Which stop bit configuration option provides a middle ground between one and two stop bits?
Which stop bit configuration option provides a middle ground between one and two stop bits?
Study Notes
Introduction to Surge
- Surge is a phenomenon that occurs in centrifugal compressors.
- Centrifugal compressors move air or gas utilizing a rotating impeller.
- The rotating impeller creates pressure by accelerating the gas and causing it to flow into a diffuser, where the velocity of the gas is reduced, and pressure increases.
- During operation, the compressor can reach a point where the gas velocity in the flow path changes to a different state, causing excessive vibration and noise.
- The change in flow path is characterized by a sudden decrease in the speed at which the gas is flowing. This decrease in speed is known as a surge.
- Surge can cause serious damage to the compressor if not properly controlled and mitigated.
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Description
This quiz delves into the phenomenon of surge in centrifugal compressors, exploring how the rotating impeller influences gas movement and pressure. It discusses the implications of surge, including its causes and potential damage to the compressor if not managed effectively.
