3.
WEDNESDAY, MAY 26, 1976
+ IN THE CASE OF A RESISTANCE LOAD SUCH AS AN INCANDESCENT FILAMENT LAMP, YOU GET A MUCH REDUCED ILLUMINATION, AND A 75-WATT LAMP MIGHT BE REQUIRED WHERE A 60-WATT BULB OF PROPER VOLTAGE WOULD SUFFICE, AND FOR RICE COOKERS AND WATER-HEATERS LONGER PER IODS OF OPERATION WOULD BE REQUIRED TO REACH THE INTENDED TEMPERATURE.+
FROM THE POWER COMPANIES' POINT OF VIEW, MR. WU SAID HE UNDERSTOOD THAT THE CHANGE OF VOLTAGE COULD BE VERY EASILY EFFECTED WITH LITTLE COST, WHEREAS THEREAFTER THEIR MOST OBVIOUS GAIN WOULD BE A TEN PER CENT INCREASE IN POWER DISTRIBUTION
THEY SHOULD THEREFORE CAPACITY AT NEXT TO NO ADDITIONAL COSTS, WELCOME THE CHANGE.
AS FOR MANUFACTURERS AND OR SUPPLIERS, HE SAID THE CHANGE TO A STANDARD VOLTAGE SYSTEM WOULD BE VERY WELCOME IN THAT IT WOULD HELP TO CUT DOWN ON INVENTORY RESULTING IN SAVINGS AND LOWER COSTS WHICH WOULD MOST LIKELY BE PASSED BACK TO THE CONSUMERS THROUGH COMPETITION.
MR. WU FURTHER OUTLINED FOUR REASONS TO JUSTIFY THAT THE SYSTEM HE PROPOSED IS MOST LOGICAL+.
THE INSULATION OF THE PRESENT POWER DISTRIBUTION SYSTEM, AS WELL AS THE APPLIANCES USED BY CONSUMERS WOULD EASILY TAKE THIS ADDITIONAL PRESSURE OR INCREASED VOLTAGE.
THE PERFORMANCE OF EXISTING APPLIANCES OF 200/1/50 AND 346/3/50 WOULD GENERALLY IMPROVE WITHOUT DETRIMENTS TO LIFE EXPECTANCY, EXCEPT IN THE CASE OF 200V LAMP BULBS AND PERHAPS SOME ELECTRONIC COMMUNICATION APPLIANCES WHICH COULD BE PROVIDED WITH SEPARATE VOLTAGE REGULATION AND TRANSFORMERS.
+HOWEVER, HE SAID, +FOR THAT VERY LARGE AMOUNT OF IMPORTED APPLIANCES RATED 220/1/50 AND 380/3/50, THERE CAN ONLY BE A MARKED IMPROVEMENT IN BOTH PERFORMANCE AND EFFICIENCY.+
MR, WU CONTINUED : +SINCE ELECTRICAL APPLIANCES WILL OFTEN ALLOW 'A PLUS OR MINUS TEN PER CENT VARIATION IN SUPPLY VOLTAGE THE U.K. PRODUCED 240/1/50 AND 415/3/50 EQUIPMENT COULD BE BETTER TOLERATED. SO WOULD U.S. MADE EQUIPMENT OF 230/1/60 AND 440/3/60 RATING, EXCEPT FOR A 17 PER CENT REDUCTION IN SPEED AND PERFORMANCE DUE TO CYCLE CHANGE IN THE CASE OF ROTARY MACHINES.
MR. WU SAID: THE INTERNATIONAL ELECTROTECHNICAL COMMITTEE (IEC) HAS RECOMMENDED THAT 230/400V BE USED AS THE FUTURE STANDARD VOLTAGE FOR LOW VOLTAGE (OR CONSUMER) DISTRIBUTION NETWORKS.
+WHILST THIS MAY TAKE TIME TO REALISE, WE WOULD BE IN AN ADVANTAGEOUS AND MUCH BETTER POSITION TO SWITCH FURTHER TO THESE HIGHER VOLTAGES ONCE WE RAISED FULLY TO 220/380V, FOR REASONS JUST EXPLAINED.+
MR. WU WENT ON TO SAY THAT THE FOREGOING JUST ABOUT SUMMED UP THE EFFECTS AND ADVANTAGES OF A CHANGE.
/HE POINTED