Operation Statistics Sgt700 (Gt 10C)

OPERATION STATISTICS SGT700 (GT 10C)

GAS TURBINE MONTHLY REPORT

MECHANICAL DRIVE

(Definitions on page 4)

To receive the word file, inform your regular contact person at Siemens Indusrial Turbomachinery

Note 1 A deviation can be observed between the number of starts attempts used for calculation of the Start Reliability and the number of starts considered by the counter used for life time and maintenance plan.

Vital formula to check that the filled in numbers are correct. y=z+q; y≥x

Note 2 A start attempt shall be counted when the start button is pressed and the gas turbine is required for commercial operation. Customer should report every start attempt. Repeated failed starts attempts without any actions taken in between shall be counted as one attempt by Siemens Web Portal administrator.

Note 3 A start shall be counted as successful if the gas turbine is started for commercial operation and the idle speed is reached.

Note 4 If a start fails, please specify in the “specification” on the next page additional information about the date of the event, the outage hours, the KKS description, where in the start sequence the start was interrupted, first fault indication, following alarm and trip signals, actions and parts required etc.

Note 5 The time should be converted to decimal; (For example 1 Hour 30 Minutes = 1,5)

Note 6 If outage hours, please specify in the “description” on the previous page, additional information about the date of the event, the outage hours, the KKS description, where in the start sequence the start was interrupted, first fault indication, following alarm and trip signals, actions and parts required etc. In case of multi failed starts, if no description of the action taken in between, this fail start will be counted as one by Siemens Web portal Administrator. Customer should report every start attempt

Note 7 The root cause for the forced outage is related to one of the following components:

·  Mech. Auxiliary systems (incl instruments)
- Air system (MBH)
- Startup system (MBJ)
- Air intake system (MBL)
- Fuel oil system (MBN)
- Fuel gas system (MBP)
- Injection and dosing system (MBU)
- Lube and hydraulic oil system (MBV)
- Ventilation Aux room (SAA)
- Ventilation GT room (SAG)
- Gas detection system (SFY)
- CO2 fire fighting system (SGJ)
- Halon fire fighting system (SGK)
- Other mech. aux. systems

Note 8: This cell is to be filled with a suitable letter according to below.

A Siemens was informed prior to stop and recommended a stop

B Siemens was informed prior to stop but did not recommend a stop at this time

C Siemens was not informed prior to stop

D The control system did automatically trip the unit

Note 9: The root cause for a planned outage is related to one of the following types:

·  Maintenance plan: Recommended inspections and overhauls as defined in the maintenance plan (level A, B, C, D and E).

·  Operation maintenance: Routine maintenance activities (compressor wash, filter replacement)

·  Other: Revision and tests outside maintenance plan. Planned repair of damages.

PH = The number of calendar hours. (If the month has 31 days = 744 hours, 30 days = 720 hours, 29 days = 696 hours, 28 days = 672 hours)

RSH = Number of hours when the gas turbine is available but there is no demand. No need to be reported

SH = Number of accumulated hours the gas turbine was in service (= counter reading)

Definitions (based on ISO standard 3977:9):

Operating Hours

Total number of hours the gas turbine set was actually operated and producing power.

Turbine related Outage Hours

Number of hours that the gas turbine set was not available for operation due to a fault of the gas turbine set or it’s auxiliary systems included in Siemens Industrial Turbomachinery´s supply. The gas turbine set include any gear but not other driven equipment such as generators, compressors etc. Shut downs of the gas turbine set due to external disturbances (driven equipment, boilers, gas & power supply ...) shall be reported as non turbine related outage (OH-N) even though the consequence was a shut down of the gas turbine set.

Execution of maintenance work that normally do not require a shut down but is performed at a planned outage and thus extending the outage shall not be included in the time for correction.

Forced Outage Hours (FOH)

Turbine related outage due to conditions that require an immediate shut down (most likely gas turbine set was tripped by the safety system).

Planned Outage Hours (POH)

Outage due to an inspection or overhaul planned and scheduled well in advance.

Other operation maintenance activities like compressor cleanings, filter replacement etc. shall also be considered as planned outage. Only outage hours due to activities that require a shut down of the gas turbine set shall be reported as Planned Outage Hour.

Non-Turbine Related Outage Hours

Number of hours the plant was not available for operation due to conditions not directly related to the gas turbine set (see def. Turbine Related above) or due to external influences.

Please send this in a monthly base to your regular contact person at Siemens Industrial Turbomachinery.