Tenders Are Invited For Upgradation Work Replacement Supply Installation Testing And Commissioning Of 400Kva ...

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Quotation Are Invited For Upgradation Work Replacement Supply Installation Testing And Commissioning Of 400Kvar Capacitor Bank Najma Pumping Station Phase 4 Boq Scope Of Work Upgradation Work Replacement Supply Installation Testing And Commissioning Of 400Kvar Capacitor Bank Najma Pumping Station Phase 4 Qty 2 Lots Shall Comply And Include The Following 1 10 Steps Programming Steps Minimum Utilizing 5Kva R As Smallest Capacity To Correct Power Factor Of Small And Auxiliary Loads When Pumping Station Is In Standby Mode With No Pump Run Ning 2 Design Calculations And Sizing Shall Be As Per Dewa Regulations And Iec Standards All Shall Be Submitted And Approved By Dewa 3 Use Of Full Fixed Contact Holders Unclipped Busbar Force Fitting Of Contacts Not Allowed 4 Capbank Compartment Fire Smo Ke Detectors With Warning Light Annunciator And I O Feedback 5 Unstable Compensation Detection Pf Set Not Reached Monitor Capac Itor Failure Detector Including Each Capacitor Reactor Temperature Detection And Feedback 6 Separate Compartment Of Controls Vs Ca Pacitors 7 Forced Ventilation Fan Cooling Shall Be Redundant 8 Multifunction Controller From Reputable Brand With Modbus Communica Tion Protocol As Minimum 9 Panel Materials Capacitors Detuned Reactors Shall Be From Reputable Manufacturer Equivalent To Schnei Der Heavy Duty Capacitors High Performance Long Life With Oem Detuned Reactors Etc 10 Capacitor Safety Includes Self Healing P Ressure Sensitive Disconnector Discharge Device 11 Minimum Clearances For Better Air Circulation A Minimum Clearance Of 30Mm Be Tween Capacitor Units And Panel Enclosure Need To Be Kept Also Maintain 30Mm Gap Above The Top Of The Capacitor 12 Detuned Reacto Rs Shall Include Temperature Detectors 13 It Is Mandatory To Use Mccb Or Mcb For The Individual Step Against Over Current And Short Circuit Protection In Series With Fuses For All Steps 14 Safety Visible Labels Shall Include Hazard Of Electrical Shock Wait 5 Mi Nutes After Isolating Supply Before Handling Failure To Follow These Instructions Can Result In Injury Or Equipment Damage In Design Ated Location Of Panel 15 Safety Shroud Protection When Doors Are Opened 16 All Components And Materials Shall Be Able To Operate In 55Deg C Ambient Temperature 17 Comply To Pfc Bank Design Consideration Discharge Time Clause 22 Iec 60831 75V In 3 Min Utes Temperature Clause 4 1 Iec 60831 Class D 55 C Ambient Temperature De Rating Ventilation Requirement Overvoltage Cond Ition Clause 5 3 5 Iec 61921 Resonance Condition Over Load Clause 5 3 7 Iec 61921 Continuous Current 1 3 Times Ip Clause 5 3 8 Iec 61921 Ip 20 For Indoor Application Physical Location Of Components And Accessibility Clause 5 3 9 Iec 61921 Protec Tion Alarms Clause 5 5 3 5 5 4 Iec 61921 Fire Hazard Applicable Standards Iec 61921 Power Capacitors Low Voltage Pow Er Factor Correction Banks Is The International Standard Applicable For Low Voltage Power Factor Correction Banks And Automatic Pow Er Factor Correction Apfc Equipment Intended To Be Used For Power Factor Correction Purposes Equipped With Built In Switch Gears And Control Gears The Guidelines For Design Installation Operation And Safety Of Apfc Panels Are Followed Based On This Internati Onal Standard Iec 60831 Part 1 2 Shunt Power Capacitors Of The Self Healing Type For A C Systems Having Rated Voltage Up To An D Including 1Kv Iec 61439 1 Low Voltage Switchgear And Control Gear Assemblies Particular Requirements For Low Voltage Switchge Ar And Control Gear Assemblies Intended To Be Installed In Places Where Unskilled Persons Have Access For Their Use Distribution Boa Rds Iec 60947 Low Voltage Switchgear Part 2 Molded Case Circuit Breakers Air Circuit Breakers Part 4 Power Contactors Part 4 3 Thyristor Switch Iec 60076 6 Reactors Iec 60529 Degree Of Protection Provided By Enclosure Ip Code Iec 60664 1 Iec 61326 Power Factor Controller Iec 62208 Empty Enclosures For Low Voltage Switchgear And Controlgear Assemblies General Requi Rements For Technical Queries Please Contact Leonito De Los Santos 0527038780 Email Leonito Santos Dewa Gov Ae Qty 2Standard Terms Conditions1 Prices Should Be Ddp Delivery Duty Paid At Dewa Stores 2 Quotation To Be Submitted Only In Local Currency U A E Dirhams3 Dewa Standard Payment Terms Is 30 Days Credit From The Date Of Acceptance Of Material4 No Dewa Staff Or His Or Her Relatives Up To Third Degree Should Have Ownership Or Partnership In Your Company And Your Participation In Dewa Tenders Rfqs Should Not Constitute A Conflict Or Perceived Conflict Of Interest

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