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State of Punjab - Section

Section 14 in General Conditions of Tariff and Schedules of Tariff

14. Connected load :-

The connected load means the sum of the rated capacities of all the energy consuming apparatus in the consumer's installation. This shall not include the stand by or spare energy consuming apparatus installed through the change-over switch provided the stipulations made in note (iii) below are fulfilled :-Note. - (i) The connected load of Arc furnace/Induction furnace shall be the KVA/KW rating of the furnace transformers feeding the furnace exclusively.However :-
(a)Where an induction furnace is fed from an independent transformer with un-standard village rating i.e. 11000/570 volts etc. the capacity of the feeding transformer be taken as connected load.
(b)Where an induction furnace is fed from a distribution transformer having standard voltage rating i.e. 11000/415 volts along with other motive/general load from that very transformer, the connected load shall be sum of the rating of furnace and motive/other loads or the capacity of the feeding transformer(s) whichever is higher.
(c)Where in case of (i)(a) & (b) above, consumers having one or two induction furnace transformer(s) install two or more furnaces with charge-over-swtich(s) in between the furnaces with the prior approval of the competent authority, so that only one furnace works at a time from the feeding induction furnace transformer, the capacity of the feeding transformer in case (i)(a) and higher rating of one or more Induction Furnaces in case (i)(b), as applicable, shall be reckoned for the purpose of working out connected load.
(ii)In cases where the consumers have installed rectifier transformer for electrolysis, the input capacity of rectifier transformer should be taken as connected load.
(iii)The stand by or spare energy consuming apparatus installed through change-over-switch shall not be included in the connected load provided that :-
(a)Where operation so warrants and the installation provided by the consumer is a combination of two motors (with charge-over-swtich in between with one secondary equipment/gadget or a combination of one motor/one induction furnace transformer with two secondary equipments/gadgets/machinery/furnace (with change over switch in between). Any number of such combinations shall be permissible in consumer's installation.
(b)The providing of charge-over-switch is approved by the competent authority and particular motor/induction furnace/gadget/machinery to be operated through such a change-over-switch is specified in the A&A forms and test report duly verified as such before release of load.
(c)In case of motors with approved change-over-switch in between higher rated of the two motors shall be taken while computing the connected load. Similarly, in case of induction furnaces with change-over-switch in between, the higher rated furnace shall be taken for working out the connected load with reference to Note (i)(a), (b) & (c) above, as applicable.
(iv)Where Welding sets are found in the premises of industrial units like Rice Shellers, Spinning Mills, Cold Storages, Ice Factories, Atta Chakies, Floor Mills, Cotton Gunning Mills, Oil Mills etc. and where these are used for carrying out minor repairs to the machinery installed and where no job order or outside consumer relating to Welding process is carried out, load of one Welding Set shall not be counted while working out the connected load in such like industries. In case, more than one Welding set is existing/installed in such factories, the welding set of the lowest rating shall not be counted towards connected load and other Welding sets shall be considered towards connected load.
(v)The load of Power Sockets shall be assessed as under :-
(a) Domestic Supply:  
  Power Socket Load 1 KW 1/3rd of the number of sockets be taken into account for thepurpose of determining the connected load.
(b) Non-residential/Industrial Supply,  
  Power Socket load 2 KW 50% of the Power Sockets shall be reckoned for computing theconnected load.
(c) Bulk supply  
  (x) For Domestic Purposes  
  Power Socket Load 1KW 1/3rd of the number of power sockets be taken into account.
  (y) For Non-residential Purposes.  
  Power socket load 2 KW 50% of the number of power sockets be taken into account.
(vi)Capacity of the Electric motor/energy consuming apparatus should be indicated in KW and not in BHP to workout the connected load.
(vii)Where connected load is given in KVA, power factor of energy consuming apparatus may be taken as specified by manufacturers so as to work out the connected load in MW and in case the power factor is not specified the same may be taken as 0.88. In case the power factor is less than 0.88 the consumer will be required to instal additional capacitors to be worked out on the basis of the extent by which power factor is less than 0.88.
(viii)KVA rating mentioned on the name plate of welding sets by standard manufacturers shall be normally taken as connected load. In case of unstandard makes or in case of doubt, KVA rating of the Welding set should be taken as 75% of the product of open circuit voltage and maximum continuous hand welding current. The connected load shall be computed by assuming a power factor of 0.4.
(ix)In case of test benches which are meant for testing of motors or other load, the maximum capacity of the motor that can be connected to the test bench shall be included in the connected load. This would apply to only such points where portable motors can be installed and run.
(x)The authority to assess whether industrial process involved warrants the installation of a change-over-Switch or not and request of the consumer is genuine or not shall rest with a panel consisting of the following officers :-
(i) upto 1000 KW Concerned Xen/Op. & Xen/Enforcement.
(ii) above 1000 KW Concerned SE/Op. & Director Enforcement.