API672 5TH Edition
7 Accessories
7.1 Drivers
7.1.1.1 The driver shall be of the type specified, shall be sized to meet the maximum specified operating conditions,including gear and coupling losses, and shall be in accordance with applicable specifications, as stated in the inquiry and order. The driver shall operate under the utility and site conditions specified
in the inquiry.
7.1.1.4 The driver nameplate rating (exclusive of the service factor) shall be at least 110% of the power required at the rated point.
7.1.1.5 When specified, the driver nameplate rating (exclusive of the service factor) shall be at least 110% of the maximum power required for all of the specified operating conditions.
API672 Special duty packages only
7.10 Additional Accessories Requirements for “Special Duty” Packages Only
7.10.1 If specified, the driver nameplate rating shall be no less than the power required (including losses from shaft-driven oil pump, coupling, and gear) if the compressor is operated unthrottled (inlet throttle device wide open) at the specified low- ambient operating conditions. The purchaser will specify the inlet air temperature and the inlet cooling water temperature to be used by the vendor in calculating the maximum
unthrottled power.
31-SAMSS-006 Packaged, Integrally Geared Centrifugal Air Compressors
7 Accessories
7.1 Drivers
7.1.1.5 The driver nameplate rating, exclusive of service factors, shall be at least 110% of the maximum power requirement (including all transmission losses) for all specified operating conditions.
→ API 672 7.1.1.4~7.1.1.5 문구와 동일
API617 Axial and Centrifugal Compressors and Expander-compressors 8TH
Part 1—General Requirements
5 Accessories
5.1 Drivers and Gearing
5.1.1 The driver shall be of the type specified, sized to meet the maximum specified operating conditions, including external gear or coupling losses, and shall be in accordance with applicable specifications.
The driver(s) shall operate under the utility and site conditions specified.
Part 3—Integrally Geared Centrifugal Compressors
Accessories shall conform with Section 5 of Part 1.
5.1 Drivers
Drivers shall conform with 5.1 of Part 1.