Answer / Girja Shankar

A P&ID (Process and Instrumentation Diagram) controller block for governor speed raise or lower in a load sharing scenario between 4 gas turbines in droop mode typically exhibits the following characteristics:n1. Proportional control: The controller output is directly proportional to the error signal.n2. Integral control: The controller output changes over time to reduce the steady-state error, ensuring a stable response.n3. Derivative control: The controller output anticipates future errors by considering the rate of change in error signal.n4. Droop characteristic: Each gas turbine maintains its own speed setpoint that varies proportionally with system load. This allows for load sharing between the turbines.n5. Interlocks and protective devices: These ensure safe operation, preventing overload or underload conditions.

what is output of FOUNDATION FIELD BUS transmitter

1 Answers  

---

WE ARE HAVING YOKOGAWA CENTUM CS 3000 DCS, 2 FCS AND 4 HIS " When the operation Download to HIS message appears: Equalize start. HIS0163 WARNING: Could not connect to equalize destination. (7001) Retrying. Number of retries = 0/1 ERROR: LdXopsLoadMain: connect error 10060 ERROR: LdXopsLoadMain: connect error 10060 ERROR: Processing terminated due to connection error. (7002) Equalization end with errors. HIS0163 ---- ERROR = 3 WARNING = 1 ---- Tell me, please, why and how to solve the problem."

6 Answers   Khas Pvt Ltd, Yokogawa,

---

What is difference between loop and zone ?

5 Answers   Adgas, Bilt,

---

What is electronics?

6 Answers   ITC Infotech,

---

What is the right procedure for adjusting the gap voltage of bently nevada vibration sensor?

3 Answers  

---

why we use negative 24vdc to a proximeter

4 Answers   KNPC,

---

what is Pre- commissioning.

5 Answers   Saipem, Takreer,

---

What does PCU means with respect to Dead Weight Tester?

1 Answers   SGS,

---

if i want buy a pressure gauge then witch parameter i look

2 Answers  

---

defffrence between instruments and instrumentation

8 Answers  

---

suppose, after calibrating a transmitter we fixed it in a process line. At live zero condition the Tx shows 4.5 mA. what should we do to make the Tx show 4 mA? If we adjust zero, will it not affect the calibration?

4 Answers   ABG Shipyard,

---

in current transmitter why we use 4-20ma ???

2 Answers   IMCO, IOCL,

---