Quotation Are Invited For Replacement Of Existing Supply Installation Testing And Commissioning Of 175Kvar Capacitor Replace 1032003835Rfx Description Boq Scope Of Work Upgradation Work Replacement Of Existing Supply Installation Testing And Commissioning Of175Kvar Capacitor Bank In Dubai Silicon Oasis Dso PumpingStation Qty 2 Lots Shall Comply AndInclude The Following 1 10 StepsProgramming StePs Minimum Utilizing 5Kvar As SmallestCapacity To Correct Power Factor OfSmall And Auxiliary Loads When PumpingStation Is In StaNdby Mode With No Pump Running 2 Design Calculations And Sizing Shall Be As PerDewa Regulations And Iec Standards AllShall BeSubmitted And Approved By Dewa 3 Use OfFull Fixed Contact Holders Unclipped Busbar Force Fitting Of Contacts NotAllowed 4 CapBank Compartment Fire Smoke DetectorsWith Warning Light Annunciator And I OFeedback 5 Unstable Compensation Detection Pf SetNot Reached Monitor Capacitor FailureDetector Including Each Capacitor Reactor Temperature Detection AndFeedback 6 Separate ComPartment Of Controls Vs Capacitors 7 Forced Ventilation Fan Cooling Shall BeRedundant 8 Multifunction ControllerFrom Reputable BRand With Modbus Communication ProtocolAs Minimum 9 Panel Materials Capacitors Detuned Reactors Shall Be From ReputableManufacTurer Equivalent To Schneider Heavy DutyCapacitors High Performance Long LifeWith Oem Detuned Reactors Etc 10 Capacitor Safety Includes Self Healing Pressure SensitiveDisconnector Discharge Device 11 Minimum Clearances For Better AirCirculation A MiNimum Clearance Of 30Mm BetweenCapacitor Units And Panel Enclosure Need To Be Kept Also Maintain 30Mm Gap AboveThe Top Of The CapAcitor 12 Detuned Reactors Shall IncludeTemperature Detectors 13 It Is MandatoryTo Use Mccb Or Mcb For The Individual StepAgaiNst Over Current And Short CircuitProtection In Series With Fuses For AllSteps 14 Safety Visible Labels ShallInclude Hazard OfElectrical Shock Wait 5 Minutes AfterIsolating Supply Before Handling FailureTo Follow These Instructions Can Result InInjury OrEquipment Damage In Designated LocationOf Panel 15 Safety Shroud ProtectionWhen Doors Are Opened 16 All ComponentsAnd Materials Shall Be Able To Operate In 55Deg CAmbient Temperature 17 400Kvar Is MinimumHowever Pfc Kvar Design Shall Be PerActual Load In The Station 18 Comply To Pfc Bank Design Consideration Discharge Time Clause 22 Iec 60831 75V In 3 Minutes Temperature Clause 4 1 Iec 60831 Class D 55 C Ambient Temperature De Rating VentilationRequirement Overvoltage Condition Clause 5 3 5Iec 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 PhysicalLocation Of Components And Accessibility Clause 5 3 9 Iec 61921 Protection Alarms ClausE 5 5 3 5 5 4 Iec 61921 Fire Hazard Applicable Standards Iec 61921 PowerCapacitors Low Voltage Power FactorCorrection Banks Is The International StandardApplicable For Low Voltage Power FactorCorrection Banks And Automatic PowerFactor Correction Apfc Equipment Intended To Be Used ForPower Factor Correction Purposes Equipped With Built In Switch Gears AndControl Gears THe Guidelines For Design Installation Operation And Safety Of Apfc Panels AreFollowed Based On This InternationalStandard Iec 60831 Part 1 2 Shunt Power Capacitors OfThe Self Healing Type For A C SystemsHaving Rated Voltage Up To And Including1Kv IEc 61439 1 Low Voltage Switchgear AndControl Gear Assemblies ParticularRequirements For Low Voltage SwitchgearAnd Control GearAssemblies Intended To Be Installed InPlaces Where Unskilled Persons HaveAccess For Their Use Distribution Boards Iec 60947 LoW Voltage Switchgear Part 2 Molded CaseCircuit Breakers Air Circuit BreakersPart 4 Power Contactors Part 4 3 Thyristor Switch Iec 60076 6 Reactors Iec 60529 Degree Of Protection Provided By Enclosure IpCode Iec 60664 1 Iec 61326 Power Factor Controller Iec 62208 Empty EnclosuresFor Low Voltage Switchgear AndControlgear Assemblies GeneralRequirements For TechniCal Queries Please Contact Leonito DeLos Santos 0527038780 Email Leonito Santos Dewa Gov AeStandard 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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