of 6
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.
   COMMENTS RESOLUTION SHEET PROJECTMRPL-THANNIRBHAVI-30 MLD SWROCLIENTM/S. MANGALORE REFINERY AND PETRO-CHEMICAL LIMITED REVISION NO. 1 TITLE MOTOR DATASHEET FOR TRAVELLING WATER SCREEN Sl. No.M/S MRPL COMMENTSJASH REPLY DATED 02.09.2019Wabag Reply 1 Include tag no( FD3902AB) of the motor. Noted, Please refer revised documents. Point Closed.2 Include the no of poles. Noted, Please refer revised documents. Point Closed.3 Voltage and frequency variaon shall be menoned. Noted, Please refer revised documents. 4 Noted, Please refer revised documents. 5 Service factor shall be 1 as per contract. 6 For comments Ref. aachment - 01 Noted, Please refer revised documents. 7 Total Raon ?? Please refer revised documents. 8 Noted, Please refer revised documents 9 FG Noted, Please refer revised documents 10 Noted. 11 Variaon of voltage and frequency shall be menoned. Noted, Please refer revised documents. 1213 F (Temp. rise limited to class 'B') Noted, Please refer revised documents. Frequency Variaon shall be + 3% -5 %.Please update in datasheet. menon the followinga) temp classb) Enclosure type c) Temp class.d) Method the cooling. a)Insulaon class / Winding temperature rise shall be F/B.b)IP66 accepted.D) Point Closed. The selected drive unit (S97R57DRN80M4; 0,75kW) has service factor 0.9 But the torque moment 4700 Nm and 1.2 RPM. The max expected required torque at max possible weight of screenings 17kg per each upgoing lter step is 3586Nm. So if we take 4700 x 0.9=4230 Nm and this one is sll 644Nm above the max required (cca 18 % reserve). So from design aspects this drive unit even with 0,9 safety factor suits our project. B) If we wish to have safety factor = 1 (S97R57DRN80M4; 0,75kW) than RPM is 1.4 (cca 17% faster speed) and torque moment is 4120Nm (which is less than 4700*0,9=4230Nm at A case)C) If you wish to have safety factor > 1 (S97R57DRN80MK4; 0.55kW), service factor 1.05, than RPM is 1 (cca 20% slower speed) and torque moment is 3920Nm (which is less than 4700*0.9=4230Nm at A case). Bearing DE/ODE type of lubricaon whether re lubricaon should be possible as contract.Type of starng.The motor external and internal parts including motor frame, end brackets, fan cover and terminal box shall be painted or otherwise made corrosion resisng so as to withstand the climac and installaon condion specied. Vendor to conrm.Only 415V shall be supplied from WABAG end. Other voltage shall be internally derived. 415 V required for Motor and 230 V single phase required for space heater.  14 Motor enclosure IP55 1516 Please refer separate CRS Sheet for the Aachment 01 17 Noted and Conrmed. 18 As per IEC 60034-9 19 Menon the temperature class. F 2021 This is bidireconal feared motor and hence making is not required. 22 Menon the value of PF during staring condion. 0.74 assuming 100 % Load. 23 Noted. Please refer revised datasheet. 24 Noted. Please refer revised datasheet. 252627 Please refer separate CRS Sheet for the Aachment 01This is an outdoor applicaon and hence IP 66 Protecon is a must and beer than IP 55 Painng shall be carried out by an approved process. Pr-treatment shall conform to applicable standard. The equipment shall be subject to a coat of red oxide primer paint. All inside and outside surface shall be painted with epoxy based paint. The nal thickness of paint lm on steel shall not be less than 100 microns. Finish shade shall be 631 of IS: 5 (smoke grey). 1 x Dip Primer, 2 x Two -pack epoxy base layer, 2 X Two-Pack top coat. NDFT (nominal dry lm thickness) is 320. This is as per DIN EN ISO 12 944 -2 Terminal Box shall fulll all the highlighted point of aachment-01.Vendor to provide, GA,Wiring Drawing curve details etc. The frame of the motor shall be provide with two separate and disnct grounding pads with complete other asseccories.Sound Pressure Level(dB) shall be menoned and shall be in accordance to IS 12065 Menon the value of current in Amps at start,100%load,75% load &50%load. 1.69 A at 100 % , 1.44 A at 75 % ,1.26 A at 50% . All currents at 415 V Y,50 Hz connecon. Normal direcon of rotaon shall be clearly indicated by arrow at the non-driving side.Terminal Box posion shall be at the top. Also all highlighted points in aachment 01 shall be fullled Motor shall be designed for following starng requirement.a) 2 nos of consecuve hot start with inital temperature of motor at full load operang level. b)3 nos of consecve cold start with inital temperature of motor at ambient temperatureMaxmimum and minimum torque and speed at minimum torque shall be menoned. Motor ed with gear unit and hence this data may not be relevant to us. Following Curve Shall be provided:a) Load Curveb) Starng Curve Load curves are aached. There is no curve called starng curve but we understand that this should be torque speed curve. The same is aached. Terminal Box Details are required and the addional requirement is pg. 2 highlight aachemet-01   COMMENTS RESOLUT PROJECTMRPL-THANNIRBHA CLIENTM/S. MANGALORE REFINERY AN REVISION NO. 1 TITLE CRS for ANN Sl. No.M/S MRPL COMMENTS 123456  7891011
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks

We need your sign to support Project to invent "SMART AND CONTROLLABLE REFLECTIVE BALLOONS" to cover the Sun and Save Our Earth.

More details...

Sign Now!

We are very appreciated for your Prompt Action!