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State of Rajasthan - Section

Section 20 in Rajasthan Electricity Regulatory Commission (Metering) Regulations 2007

20. Review of regulations.

(1)These regulations can be reviewed by the commission of its own or on the merits of a reference from a person or on the recommendation of metering committee constituted as here-under as per the Rajasthan Electricity Grid Code:-
(a)The Chief Engineer (PPM&R) of RVPN as Chairman.
(b)The Superintending Engineer (Protection) of RVPN as Member (Secretary).
(c)The Officer at the level of Superintending Engineer nominated by RVUN as member.
(d)The Officer at the level of Superintending Engineer nominated by AVVNL as member
(e)The Officer at the level of Superintending Engineer nominated by JVVNL as member
(f)The Officer at the level of Superintending Engineer nominated by JdVVNL as member
(g)One Engineer, connected with Metering, from IPPs Operating within the State, to be nominated by the Chairman of the Panel.
(h)One Engineer, connected with metering, from CPPs (installed capacity exceeding 50 MW& connected to the RVPN's transmission system), to be nominated by the Chairman of the Panel.
(2)The committee shall formulate the rules of conducting its business and shall meet at least once in six months and conduct the following functions.
(a)To resolve difficulties in the implementation of these regulations.
(b)To consider requests for amendments in these regulations including introduction of new technology which is economical, secure, safe, reliable, upgradeable, proven and having enabling provisions for revision of tariff and to make recommendations for changes and inclusion in these regulations with reasons and objections, if acceptable to the Commission.
Annexure-1Minimum Acceptable Specification for Interface and Energy Accounting & Audit Meters SA
S.No. Particulars Interface Meters Energy ACcounting and Audit Meters above 33KV
1 2 3 4
1 Meter Type (Number phases and wries) AC Static HT TVM 3 Phase-4 Wire type ABTcompliant AC Static HT TVM 3 Phase-4Wire TOD type
2 Measurand(s) Wh (Imp/Exp), V Arh at 103% voltage and 97%voltage & Vah during Wh (Imp/Exp), V Arh (Lag/lead) &PF(lag/lead), W, VA, phase voltage, Line current, frequency,instantaneous load in W, Anomaly Data, Power On hours andmeasurement in four quadrants. kWh (Imp/Exp), kV Arh at 103% voltage and 97%voltage & kVArh (lag/lead) & kVAh during KWh (Imp/Exp),PF (lag/lead), kW, kVA, Phase Voltage, Line current, frequency,instantaneous load in kW, Anomaly Data, Power on hours, andmeasurement in four quadrants
3 Indian Standard or IEC to which confirming IS 14697, IEC 62052—11 IEC 62053—22&, CBIP Report No. 88
4 Rated Current. 3x-/1 Amp or 3x-/5 Amp (Ib)
5 Reference frequency, Hz & variation 50 Hz, (+/-)5%
6 (a) Accuracy class of meter.(b) Classificationangle for Var meters 0.2SFour quadrants
7 Maximum demand recording period (for MDI only) 15 Min.
8 Display of measurands Wh (Imp/Exp), Varh (lag/lead) & Vah duringWh (Imp/Exp) Cumulative reactive energy at 103% voltage and 97%voltage PF (leg/lead), W, VA, Phase Voltage, Line current,frequency instantaneous load In W, Anomaly Data, BP Wh (I/E), BPPF (I/E) Power On hours. Measurement in four quadrants KWh (Imp/Exp), KV Arh (lag/lead) & KVAhduring KWh (Imp/Exp), Cumulative reactive energy at 103% voltageand 97% voltage, PF (lag/lead), W, KVA, Phase voltage, Linecurrent frequency , instantaneous load in KW, KVR, KVAR, AnomalyData, BP KWh (I/E), BP PF (I/E) Power On hours. Measurement infour quadrants.
9 Storage of measurands Load Survey for 75 days with integration periodof 15 min. for W (Imp/Exp) VA (Imp/Exp), coded frequency wise Wh(Imp/Exp), Vah (Imp/Exp), Billing parameters for last 3 monthsincluding Power On hours and anomaly information meter readingcount, MD reset count. Load Survey for 75 days with integration periodof 15 min. for KW (Imp/Exp), KVA (Imp/Exp), KWh (Imp/Exp), KVAh(Imp/Exp), Billing parameters for last three (3) months includingPower On Hours and anomaly information, meter reading count, MDreset count.
10 Any other displays Total energy i.e. Fundamental energy plusHarmonic energy, self-diagnostic features.
11 a) Output device (forreadings)(b) Whether remote reading feasible. For calibrationYes
12 Immunity to externalfactors(a) Heat & Fire(b) Shock &vibration(c) Dust & Water(d) Electro magneticfields(e) Radiointerference(f) Electro static fields As per IS: 11000As per IS: 9000IP: 51As per IS: 61 0000As per IS: 6842As per IS: 61000-4-2
13 Any other feature/requirement. (a) 2 ports suitablefor local & remote communication.(b) Draw out type modular metering units withfacility of automatic CT shorting. Meter mounting shall be eitherof projection type or rack type as per space and siterequirement.  
14 Common Meter Reading Instrument, (CMRI) CBIP report No. 111, IP67, IEC 529, IS 12063,CISPA R22, IEC 61000-4
Note. - Type ‘C’ meters provided in annexure-II shall be used for energy accounting & audit meters up to 33kV supply.Annexure-2Salient Technical Specification For Consumer Meters
S.No. Particulars Specification of Meters
Meter Type 'A' Meter Type 'B' Meter Type C
Single Phase Poly Phase LT Tri-vector HT Tri-vector
1 2 3 4 5 6
1 Meter Type Electro-static Electro-static Electro-static Electro-static
2 Applicable Upto 5.0 Kw connected load of LT supply. Normally upto 18.65 kW connected load of LTsupply. Normally above 18.65 KW connected load and upto50 kVA contact demand HT/EHV Supply
3 Number of phases and wires Single Phase 2 Wire Three Phase 4 Wire Three Phase 4 Wire Three Phase 4 Wire except traction supply.
4 Measurand[s] KWH KWH KWH, KVAH, KVA, PF kWH (Imp/Exp), kVAh, kVARh
5 Indian standard or IEC to which confirming IS 13779-1999 IS 13779-1999 IS 14697, IS 13779 IS 14697, IS 13779
6 Reference frequency, HZ and variation 50 HZ + 5% 50 HZ + 5% 50 HZ + 5% 50 HZ + 5%
7 Accuracy Class of meter 1.0 or better 1.0 or better 0.5S or better up to 33 kV supply 0.2s above 33kV supply
8 Meter operation or CT/PT Whole Current Whole Current CT Operated CT-PT Operated
9 Demand period - - 30 Min 30 Min
10 Minimum Starting current as % of base 0.2 0.2 0.1 0.1
11 Import-export feature Forward Import Forward Import Import and Export Import and Export
12 Load Anti-creeping device Not more than one Pulse Not more than one Pulse Not more than one Pulse Not more than one Pulse
13 a. Out-put device [for readings] b. Whetherremote reading feasible VisualNot Required VisualNot Required Visual as well asthrough MRINot Required Visual as well asthrough MRIRequired
14 Immunity to Externalfactors:a. Heat and fireb. Shock andvibrationc. Dust and Water [IPclass]d. Electro MagneticFieldse. Radio Interferencef. Electro Static Fields As per IS 11000As per IS 9000As per IS 12063As per IEC 61000As per IS 6842As per IEC 61000-4-2 As per IS 11000As per IS 9000As per IS 12063As per IEC 61000As per IS 6842As per IEC 61000-4-2 As per IS 11000As per IS 9000As per IS 12063As per IEC 801-3As per IS 6842As per IEC 61000-4-2 As per IS 11000As per IS 9000As per IS 12063As per IEC 801-3As per IS 6842As per IEC 61000-4-2
15 Any Other feature/ requirement i. Communicationcapabilityii. Up gradation capability (preferred) i. Communicationcapabilityii. Up gradation capability (preferred) i. Communicationcapabilityii. Up gradation capability (preferred) i. Communicationcapabilityii. Up gradation capability (preferred)
16 LED indication i. Visual signal toindicate the operation of the meterii. Line loadreversal indicationiii. Earth loading indication i. Visual signal toindicate the operation of the meterii. Line loadreversal indication i. Visual signal toindicate the operation of the meterii. Line load reversal indication i. Visual signal toindicate the operation of the meterii. Line load reversal indication
Note. - Railway Traction supply meter shall be three phase three wire type to read measurand (s) of 132 kV double circuit two phase two wire traction supply.Annexure-3Salient Technical Specification for Consumer Meters Specification of Meters
Particulars Year
A. Meter instruments  
(1) Consumer Meters:  
(i) Extra High Voltage consumers. 1
(ii) High Voltage consumers  
(a) Above 500 KVA contract demand 1
(b) Up to 500 KVA contract demand 1
(iii) Industrial Low Tension consumers 1
(iv) Low Tension consumers other than domestic services 2
(v) Domestic service consumers 5
(2). Interface meters 1
(1) Energy accounting and audit meters (including Stationauxiliary metering) 5
B. Instrument Transformers for:  
(1) Consumer meter  
(i) Extra High Voltage consumers 2
(ii) High Voltage consumers  
(a) Above 500 KVA contract demand 2
(b) Up to 500 KVA contract demand 2
(iii) Industrial Low Tension consumers 2
(iv) Low Tension consumers other than domestic services 2
(v) Domestic Service consumer 5
(2) Interface meters 2
(3) Energy accounting and audit meters (including Stationauxiliary metering) 5