Please provide a quotation to the following requirement from importer -
Product Name: Voltage Regulator
Specifications:
Details :
1. set Of 10mva(200a) Open Delta Voltage Regulator Unit , 33 Kv With
± 10% Regulation, Complete With
Control Panel And All Accessories As Mentioned In Our Requirements set 1
Technical Specifications
1. scope
This Standard Specifies The Requirements For Automatic Voltage Regulators For Use On Ohl 33kv Electricity Distribution Network.
2. system Parameters
(a) nominal Voltage - 33kv
(b) system Highest Voltage - 36kv
(c) system Frequency - 50hz
(d) number Of Phases - 3
(e) method Of Earthing - Resistance
(f) system Fault Current - 25 Ka
3. service Conditions
(a) annual Average Ambient Temperature: 30oc
(b) maximum Ambient Temperature: 50oc
(c) maximum Relative Humidity: 90%
(d) environmental Conditions: Tropical Climate.
(e) operational Altitude: From 400 M Under Msl To 1400m Above Msl
4. standard Regulator Operating Condition
(a) the Temperature Rise Of Top Oil At Cmr Above Specified Design Ambient Shall Be 50oc.
(b) the Temperature Rise Of Windings At Cmr Above Specified Design Ambient Temp Shall Be 55oc.
5. application Standard
This Standard Makes Reference To The Following Documents Or Any Equivalent International Standards:
• ieee Std C57.15 Standard Requirements, Terminology, And Test Code For
• step-voltage Regulators.
• iec 60296 Insulating Oil For Transformers And Switchgears.
• iec 60076 Power Transformers.
• bsi Bs 381c Specification For Colors For Identification, Coding, And Special Purposes.
• bsi Bs En Iso 1461- Hot Dip Galvanized Coatings On Iron And Steel Articles.
• bs 2562 Specifications For Cable Boxes For Transformers And Reactors.
• bs 3692 Iso Metric Precision Hexagonal Bolts, Screws& Nuts.
• bs 4190 Iso Metric Black Hexagonal Bolts, Screws And Nuts.
• bsi Bs 7079 Surface Finish Of Blast Cleaned Steel For Painting.
• iec 60529 Specification For Degree Of Protection Provided By Enclosures.
• bs 5493 Code Of Practice For Protective Coating Of Iron And Steel Structures Against Corrosion.
• iec 60076-10 Method Of Measurement Of Transformer And Reactor Sound Levels.
• iec 60076-7 Loading Guide For Oil Immersed Power Transformers.
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