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Related Manuals for ABB SAHARA Series
Summary of Contents for ABB SAHARA Series
- Page 1 SAHARA Series Compact Substation OPERATING INSTRUCTIONS MODELS: 24kV 36kV SAHARA 500 SAHARA MAX-1 SAHARA 1000 SAHARA MAX-2 SAHARA 1600 SAHARA 2000 SAHARA 3000 PTMV - Medium Voltage Equipment ABB Electrical Industries Co. Ltd. Kingdom of Saudi Arabia...
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Page 2: Table Of Contents
Table of Contents INTRODUCTION............................ 3 GENERAL..............................3 RECEIVING/INSPECTION/STORAGE ....................4 PERSONNEL SAFETY .......................... 4 VENTILATION ............................4 EARTHING.............................. 4 HANDLING ............................. 4 SAFETY NOTES FOR OPERATIONS ....................5 INSTALLATIONS........................... 5 CONNECTIONS............................5 Tap connections ......................... 6 Cable Connections ........................6 FINAL INSPECTION PRIOR TO ENERGIZATION ................ -
Page 3: Introduction
GENERAL These Package Compact Substations are locally manufactured in the Kingdom of Saudi Arabia by ABB Electrical Industries Co. Ltd., part of the ABB group world-wide to meet the environmental conditions of the Kingdom, neighboring Gulf countries and other similar places for outdoor installations. -
Page 4: Receiving/Inspection/Storage
If abuse or rough handling is evident, file a damage claim with carrier and promptly notify the nearest ABB office. ABB ELECTRICAL INDUSTRIES CO. LTD. is not responsible for damage of goods after delivery to the carrier; however, we will lend assistance if notified of claims. -
Page 5: Safety Notes For Operations
SAFETY NOTES FOR OPERATIONS DO NOT LIFT OR MOVE A TRANSFORMER OR PACKAGE COMPACT SUBSTATION WITHOUT ADEQUATE EQUIPMENT AND PRECAUTIONS. TERMINALS ARE FOR ELECTRICAL LOADING ONLY. DO NOT MAKE ANY CONNECTIONS THAT ARE NOT AUTHORIZED BY THE NAMEPLATE OR CONNECTION DIAGRAMS. DO NOT ENERGIZE THE SUBSTATION WITHOUT PROPERLY MADE GROUND OR EARTH CONNECTIONS. -
Page 6: Tap Connections
WARNING WARNING WARNING WARNING WARNING WARNING TAP CONNECTIONS MAY BE CHANGED ONLY WHEN THE UNIT IS TOTALLY DE-ENERGIZED. All units have taps located in the High Voltage winding. The tap arrangement is shown on the nameplate of the transformer. These taps are provided to furnish rated output voltage when the input voltage differs from the rated voltage. -
Page 7: Maintenance And Periodic Inspection
All shipping members have been removed. There is no obstructions in or near the openings for ventilation. [ ] No tools or other articles are left inside the enclosures. [ ] All protective covers are in place or closed and bolted tight. MAINTENANCE AND PERIODIC INSPECTION In order to assure a long lifetime and correct and reliable operation of equipment delivered for this facility it is of utmost importance to perform maintenance regularly. -
Page 8: Routine Field Testing
Routine Field Testing Routine field testing of the electrical equipment is intended to enable maintenance personal to determine, without laboratory conditions or complicated equipment, that a particular electrical equipment is able to perform its basic circuit functions. The following constitutes a guide to tests that might be performed during routine maintenance. Insulation Resistance Test Extreme atmospheres and conditions may reduce the dielectric withstandability of any insulating material. -
Page 9: Mechanical Operation
connections. It is essential that electrical connections be made properly to prevent and reduce overheating. Mechanical Operation During routine tests, mechanical operation of the circuit protective devices or disconnects should be checked by turning it "ON" and "OFF" at least three times. TRANSFORMER MAINTENANCE Inspection during operation 1. -
Page 10: Inspection Measurements
1) To prevent oxidation of contact surfaces of the off-load tap changer it has to be moved from side to side a few times, at least once a year. 2) function of alarms and tripping contacts of thermometers. Inspection Measurements In addition to the above instructions the following inspection measurement may be carried out: 1. -
Page 11: Fuse Replacement Procedure
1) When resealing the transformer, the temperature of the oil must be within +20...25°C, to ensure the normal pressure inside the tank during operation. 2) Fill in oil through the filling plug until the oil level is above cover level, then close the filling plug. - Page 12 Visual external check & One year Six months inspection Lubrication of the sliding One year Six months points Arcing chamber check After every trip After every trip On the basis of the results obtained during periodic checks, established the best-fixed periods for maintenance work.