SSLLDDCC - SLDCCG

Minutes of 30th SOAP Meeting held on 28.06.2017 Page 1

SSLLDDCC

MMIINNUUTTEESS OOFF 3300tthh

MMEEEETTIINNGG OOFF SSOOAAPP

HHEELLDD OONN 2288..0066..22001177


Minutes of 30th

meeting of Sub Committee for Operation and Protection (SOAP)

held at SLDC, Raipur on 28.06.2017

The 30th

meeting of Chhattisgarh State Operation and Protection Sub

Committee of SGCC was held on 28th June 2017 at SLDC Conference Hall. The

list of participants is enclosed in Annexure-I.

Sri A.K.Shrivastava, Addl.Chief Engineer welcomed all the participants

of 30th

SOAP meeting.

Item no. 1 Confirmation of minutes:-

No comments have been received from any office. Therefore

minutes of 29th

SOAP meeting is hereby confirmed.

Sub Committee agreed and noted.

Item no. 2 Review of system operation during the month of May 2017:

Presentation and the performance of Thermal Stations and

Transmission System by SLDC, is enclosed in Annexure-II.

Sub Committee noted.

Item no. 3 Outage planning for the month of August 2017 & September 2017:

Outage planning of Transmission feeders, Power transformers for

the month August 2017 & September 2017, submitted by O/o CE

(S/s: O&M) is enclosed in Annexure III.

Once again the representatives were requested to submit

the planned outages by 26th of every month so that the intra-state

outages are discussed & finalize in the SOAP meeting on 28th of

every month.

Despite discussion in SOAP meetings and intimation

to all station heads in Minutes of Meetings, it has been observed

that the proposals for shut down of switchyard and transmission

lines are being still directly received from EE(Opn) of Generating

Power stations which is not in line with the procedure already laid

in the OPERATING PROCEDURE approved by CSERC. All

proposals must be forwarded either through the head of the station

concerned or ED (O&M: Gen) CSPGCL Raipur. Further the


proposals requiring backing down of generation must also be got

approved by ED (O&M: Gen) CSPGCL Raipur & CE (RA&PM)

CSPDCL, Raipur before submission to SLDC.

ACTION: ED (O&M: Gen), Raipur, ED/CE(Gen),Korba East, Korba

West, & DSPMTPS , CSPGCL, Korba & CE (S/s:O&M) CSPTCL,

Raipur


Item no.4 Real Time Telemetry:

Following status is intimated by O/o CE (S/s: O&M).

1. Bilaspur Region :

S.N. Name of the

Substation

Remark

1 220 KV S/S

Bishrampur

This substation pertains to M/s Alstom Ltd. At the site RTU

is available but not commissioned. It has also been noticed

that Splitter and MODEMs are not available in the RTU

which is also intimated to M/s Alstom.

2 220 KV S/S

Gerwani

This substation is charged on dtd. 31.03.16. 220 KV wave

trap is installed. RTU is erected and requisition for final

commissioning of the RTU is sent to SE(S/s:O&M) circle vide

office letter No.45 dtd 19.04.2017.

3 132 KV S/s

Ambikapur

132 KV S/s

Pratappur

132 KV S/s

Balrampur

132 KV S/s

Bishrampur

Real Time Data of 132 KV sub stations Ambikapur and

Bishrampur are available at SLDC Raipur from 220 KV

Bishrampur to Korba west PH via 220 KV S/s Chhuri. Data

matching work is under progress. Also, it is to be noted that

RTU is not available at 132 KV S/s Balrampur. Requirement

of the same is intimated vide this office letter No.919 dtd

02.01.2017. Also at 132 KV S/s Pratappur real time data work

is under progress. The material is available at the site and will

be executed at the earliest.


4 132 KV S/s

Lafarge.

At the site the RTU is available and is pre commissioned by

M/s Lafarge intimated vide letter No.918 dtd.31.12.2016 and

57 dated.26.04.2017.

5 132 KV S/s

Baikanthpur. Real Time Data is available at SLDC Raipur.

The status of the RTU at CSPTCL stations is once again given

below:

Telemetry of KTPS, Korba East and Korba 100, 132 kV has not

improved at all since the meeting held on 25/04/2016.

1) DSPM TPS U#1 and U#2, Generator telemetry is still not

available.

2) Marwa U#1 and U#2 Generator telemetry is still not available.

3) Korba West 220 Side Korba East Line-1 – CB & Station X-mer

1,2 & 3 – CB indications are not available.

4) Bango Hydel Power Station Station X-mer 1- CB indication is not

available

The real time telemetry of following 17 charged substations is still

not available to the SLDC. The same needs to be integrated to

SLDC SCADA at the earliest.

i. 220 KV Bishrampur.

ii. 220KV Gerwani

iii. 132 KV Ambikapur

iv. 132 KV Pratappur

v. 132 KV Balrampur

vi. 132 KV Bishrampur

vii. 132 KV Gariaband

viii. 132 KV Magarload ( None of the Analog Data are available )

ix. 132 KV Kondagaon

x. 132 KV Sankara

xi. 132 KV Gopalpurlafarge

xii. 132 KV Mana


xiii. 132 KV Rawanbhatha

xiv. 132 KV Sector A Heera pool

xv. 132 KV Lodhama

xvi. 132 KV Renki

xvii. 132 KV Gewra

A speedy action on this matter is requested by all Generating

stations heads and CE (S/s:O&M),CSPTCL to arrange telemetry on

priority for successful & realistic commissioning of EMS module in

the upgraded SCADA system.

During discussion of Telemetry status with MD (CSPTCL), she has

desired that the EEs of the communication circle must attend the

SOAP meeting along with plan to restore the telemetry.


ACTION: ED (O&M: Gen),Raipur, ED/CE(Gen), Korba East, Korba

West, & DSPMTPS , CSPGCL, Korba & CE (S/s:O&M) CSPTCL,

Raipur.

Item no.5. Status of FGMO { Free Governor Mode Operation } in thermal units

as on 28.06.2017:

The status of FGMO/RGMO in thermal units of Korba west,

DSPM & Marwa is not clear at all. This issue has been discussed in

every OCC Meetings and SLDC has not been able to give proper

reply due to non submission of FRC data at the time of grid

disturbance.

The FGMO of unit no.3 of KWB is out from a long time. The

necessary action being taken by the authorities of KWB shall be

appraised in next meeting.

As desired in last OCCM, for providing signal for Monitoring of

Restricted Governor Mode Operation (RGMO) at NLDC, RLDC &

SLDC for ensuring grid security and proper operational guide lines

by concerned grid operators. In last meeting, SE (GCC) CSPGCL

has intimated that arrangements are being made for proving the

same at power stations but till the end of June17 no intimation has

been received.


Also as per provision made under regulation 5 (h) to IEGC dated

12.04.2017, RLDCs /SLDCs shall not schedule the generating

station or unit(s) beyond ex-bus generation corresponding to 100 %

of the installed capacity of the generating stations or unit(s).

Through this office letter no.669 dated 29.06.2017 and 684 dated

01.07.2017 all ED/CE(Gen) have been requested schedule ex-bus

generation corresponding to 100% of installed capacity of the

station,at normative Auxiliary Consumption. Presently DSPM

station & Korba West Extn 500 MW station are scheduling in excess

of ex-bus generation which needs to be scheduled as per the above

provisions failing which SLDC will have to take action of curtailing

the scheduling .

ACTION: ED (O&M: Gen), CSPGCL Raipur, ED (Gen) DSPMTPS

CSPGCL Korba & CE (Gen) HTPS CSPGCL Korba.

Item no. 6. Status of AUFLS {Automatic Under Frequency Load Shedding} and

df/dt relays as on 28.06.2017:

The status of AUFLS & df/dt relays submitted by the

representatives of CE (S/s: O&M) is same as given in Annexure IV

and Annexure V respectively of minutes of 26th SOAP Meeting held

on 28.02.2016 forwarded vide letter No. 03-

02/SLDC/OPN/SOAP/2412 Raipur dated 10.03.2017.

As decided in 4th, 5th & 6th National Power Committee (NPC)

meetings, the feeders/lines mapping of the Feeders / Lines covered

under AUFLS, on SCADA systems of SLDC's/RLDC's was

discussed, wherein NPC have desired that monitoring of the feeders

/ loads under the AUFLS shall be done at SLDC's / RLDC's, so as

to ascertain that the desired results are ensured during the events,

frequency falling below the AUFLS frequency settings. O/o CE

(S/s: O&M) has intimated that the data will be provided from the

system being procured at their office for integration of all S/s data.

Mean while they have been requested to explore the possibility of

providing data from S/s where RTUs are already installed. No

reply has been received in this regard.


It was requested to the representatives of O/o CE (S/s: O&M),

CSPTCL to submit the updated status of AUFLS & df/dt relays.

The data from Bilaspur circle is also incomplete. Kindly arrange to

submit the timeline for installing Under frequency relays for the

balance feeders as approved by honourable CSERC in the month of

August 2015. As per instruction of Member Secretary (I/c), WRPC , in the 31st

WRPC meeting held on 30.03.2016, at item no 11, He requested

that SLDCs shall collect the data of self certification by

Discoms/STUs and inspection carried out by intra-circles of

Discoms/STUs and submit to WRPC immediately (within 15 days).

Also as decided in 478th OCC meeting, the STUs were requested to

self certify the healthiness of the UFRs under their jurisdiction and

submit the same to this office for onward submission to WRPC.

Office of CE(S/s:O&M) CSPTCL is requested to submit the self

certification of present AUFLS relays on designated feeders and also

assign each circle head to certify the AUFLS status of other circle

and submit the report to SLDC within 15 days time.


ACTION: CE (S/s: O&M), CSPTCL

Item no.7. Details of new transmission lines transformer or any other

transmission elements to be charged in August 2017 & September

2017 :

The representative of O/o CE (S/s: O&M) has intimated that no new

element is going to be charged in August 2017 & September 2017.


The issue of TTC/ATC calculation in CSPTCL is long

pending and needs immediate attention.

Date & Venue of next meeting :

The 31th

SOAP meeting is proposed to be held on 28th July 2017

(Friday) at SLDC Raipur. The time of meeting will be from 12:00

hrs sharp.

*******

Annexure-I

S.No. Participants Designation Office Name Mobile No E-mail ID

1 Shri.A.K.Shrivastava Addl. CE O/o CE(SLDC), CSPTCL 9827177466 [email protected]

2 Shri.D.K.Khicharya SE O/o CE(SLDC), CSPTCL 9827117925 [email protected]

3 Shri. H.K Deota SE O/o CE(SLDC), CSPTCL 9893150920 [email protected]

4 Shri. Narottam Lal Sahu SE O/o ED(O&M:), CSPDCL 9425562906 [email protected]

5 Shri.G.K.Mandavi SE O/o CE(S/s:O&M), CSPTCL [email protected] ,

[email protected] ,

6 Ms. Manju Singh SE O/o CE(RA&PM), CSPDCL 9893325095 [email protected]

7 Shri.Y.K.Rao EE O/o CE(SLDC), CSPTCL 9826518820 [email protected]

8 Shri Girish Gupta EE O/o CE(SLDC), CSPTCL [email protected] ,

[email protected]

9 Shri.Sunil Gore EE O/o ED(O&M:), GCC,CSPGCL 9406028971 [email protected]

10 Shri.Shashank Dhabre EE O/o ED(O&M:),CSPGCL 9329296556 [email protected]

11 Shri.G.P.Singh AE O/o CE(SLDC), CSPTCL 9826137760 [email protected] ,

[email protected] Shri.Sourabh Pandey AE O/o CE(S/s:O&M), CSPTCL 9406052313 [email protected]

13 Ms.Pratibha Khunte AE O/o CE(SLDC), CSPTCL 8305447363 [email protected]

14 Ms. Juvena Gomes AE O/o SE(Back-up SLDC), CSPTCL 9827495849 [email protected]

15 Ms. Namita Vibha Lakra AE O/o CE(SLDC), CSPTCL 9406122692 [email protected]

List of participants attended the 30th SOAP (Sub-committee of Operation & Protection) Meeting.

mailto:[email protected]
















7/12/2017

1

2.1 Performance of CSPGCL THERMAL & HYDEL Power Plant :

Generation (in MU)PLANT AVAILABILITY FACTOR

PAF (in %)

PLANT LOAD

FACTOR PLF

(in %)

Gener

atorCapacity MAY-17

Prog.

from

Apr-17

Gross

Gen.

Target*

MAY-

17

Prog.

from

Apr-17

Normative

Target *

MAY-

17

Prog.

from

Apr-17

KTPS440 MW

{4X50 +

2X120}167.49 279.29 2325.00 50.24 42.11

60%- PH2

70%- PH345.00 43.36

DSPM500 MW

{2X250}361.31 595.03 3723.00 101.92 85.87 85.00 97.12 81.29

HTPS 840 MW

{4X210}515.21 1022.42 6107.47 88.82 89.35 83.00 82.44 83.14

KWB

Extn500 MW

{1X500}368.69 728.78 3723.00 100.67 100.68 85.00 99.11 99.56

MTPP500 MW

{2X500}487.37 842.97 --- 65.36 61.41 --- 65.51 57.58

Thermal 3280 MW 1900.07 3468.49 --- --- --- --- 77.86 72.23

Bango

HPS120 MW

{3X40}6.48 26.84 274 --- --- --- --- ---

2.2 Performance of CSPGCL

Generating

StationCapacity

Auxiliary Consumption (in %) No. of Forced Outage

MAY-17Progressive

from Apr-17

Target*MAY-17

Progressive

from Apr-17

KTPS440 MW

{4X50 +

2X120}12.66 13.44 11.25 4 18

DSPM500 MW

{2X250}7.57 7.94 9.00 0 3

HTPS840 MW

{4X210}9.72 9.70 9.70 4 8

KWB

Extn.500 MW

{1X500}4.22 4.12 5.25 0 0

MTPP500 MW

{2X500}6.62 7.08 5.25 3 6

Thermal 3280 MW 7.71 7.89 --- 11 35

Bango120 MW

{3X40}1.45 0.65 1.00 --- ---

ANNEXURE II

7/12/2017

2

2.4 Frequency ParticularsFrequency status during Apr-17, May-17 and May-16 (As per WRLDC)

Other Frequency parameters during the month of May- 2017.

Frequency Status APR-17 MAY-17 MAY-16

% of time % of time % of time

Between

49.90 & 50.05 Hz74.49 71.45 69.78

< 49.90 Hz 9.05 9.09 7.10

> 50.05 Hz 16.45 19.46 23.12

Frequency Status Frequency {Hz} Time

{ h:mm}

Date

Average Freq. 49.99 -- --

Max Instantaneous Freq.50.26 18:07 21-05-2017

Min Instantaneous Freq.49.64 15:11 11-05-2017

2.5 Demand & ENERGY Pattern

APR-17 MAY-17 MAY-16% Change

compared to

previous year

Max. Demand Met4074 MW

22-04-17

24:00

3889 MW

03-05-2017

24:00

3457 MW

19-05-16

20:00

12%

Max. Unrestricted

Demand at the

time of Max.

Demand Met

4068 MW 3903 MW 3461 MW 13%

Min. Demand Met3221 MW

02-04-17

17:00

1771 MW

27-05-2017

18:00

1653 MW

21-05-16

17:00

7%

Max. Unrestricted

Demand

4068 MW

22-04-17

24:00

3910 MW

02-05-2017

23:00

3510 MW

19.05-16

23:00

11%

ANNEXURE II

7/12/2017

3

2800

2900

3000

3100

3200

3300

3400

3500

3600

3700

3800

3900

4000

4100

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

MW

Date

Daily Max Demand met in the month of MAY-16, MAY-17 & APR-17. MAX 3889 MW on 03.05.2017 at 24:00 hrs.

Average increase of 12 % compared

MAY-2016

MAY-2017

APR-2017

1700

1900

2100

2300

2500

2700

2900

3100

3300

3500

3700

3900

MW

Date

Daywise Min and Max Demand met in the month of May-17,

[ Difference : Max 1508 MW on 27 May 17 & Min 414 MW on 7 May17 ]

1508MW

414 MW

ANNEXURE II

7/12/2017

4

Break-Up of Generation / Injection at the time of monthly Peak Demand :

(3889 MW on 03-05-2017 at 24:00 hrs)

MW %

CSPGCL Thermal

(Ex Bus)2421 62%

CSPGCL Hydel 7 0.18%

CPP/IPP's (STOA+PPA)

Injection + Inter state STOA105 3%

Other Injection 84 2%

CS Share including BSP share in

NSPCL1216 31%

Net Import / Export 79 2%

OD(+) / UD(-) -23 -1%

Demand Met (MW) 3889

CSPGCL Thermal 242161%

CSPGCL Hydel7

0%

CPP/IPP's (STOA+PPA) Injection

+ Inter state STOA1053%

Other Injection842%

CS Share including BSP share in NSPCL

121631%

Net Import / Export 792%

OD(+) / UD(-) -23-1%

Break-up of Generation/Injection at the time of peak demand.

ANNEXURE II

7/12/2017

5

2.7 LOAD SHEDDING

Load Shedding during MAY-17:

Load Shedding Duration

(in HH:MM)

Equivalent

Load Relief

(in MU/Day)

Max Load

Shedding Done.

In Groups

Feeders

NILIn Industrial

feeders

TOTAL

2.8 - SOLAR POWER INJECTION (At 132 KV)

M/s ACME Raipur Solar

Private LimitedM/s Azure power Dhamdha

APR-17 MU 4.6248 4.6507

MAY-17 MU 4.595 4.107

ANNEXURE II

7/12/2017

6

ANNEXURE II

Sr. No. Name of S/S Name of feeder Date & Duration Remark

08.08.17

8:00 hrs to 18:00 hrs

03.08.17

(08:00 hrs. to 17:00 hrs.)

09.08.17

(08:00 hrs. to 17:00 hrs.)

16.08.17

(08:00 hrs. to 17:00 hrs.)

18.08.17

(08:00 hrs. to 17:00 hrs.)

22.08.17

(08:00 hrs. to 17:00 hrs.)

25.08.17

(08:00 hrs. to 17:00 hrs.)

28.08.17

(08:00 hrs. to 17:00 hrs.)

30.08.17

(08:00 hrs. to 17:00 hrs.)


04.09.17

(08:00 hrs. to 17:00 hrs.)

07.09.17

(08:00 hrs. to 17:00 hrs.)

11.09.17

(08:00 hrs. to 17:00 hrs.)

13.09.17

(08:00 hrs. to 17:00 hrs.)

15.09.17

(08:00 hrs. to 17:00 hrs.)

ANNEXURE III

OUTAGE PLANNING MONTH OF AUGUST-2017

2132 KV S/S

Sarangarh

132/33 KV, 40 MVA

X-mer No.-I(EMCO)For premansoon maintenance

3132 KV S/S

Jaijaipur

132 KV Jaijaipur-

Champa feederFor preventive maintenance

4220 KV S/S

Ragiarh

220/132 KV, 160 MVA

X-mer No.-I(TELK)For preventive maintenance

5132 KV S/S

Pathalgaon

132 KVPathalgaon-

Lodhma feederFor preventive maintenance

6132 KV S/S

Baramkela

132/33 KV, 40 MVA

X-mer No.-II(Vijai Elec.)For premansoon maintenance

1132 KV S/S

Gharghoda

132/33 KV, 40 MVA

X-mer No.-I(areva)

For postmansoon

maintenance

7132 KV S/S

Sarangarh132 KV Saraipali -I For preventive maintenance

8132 KV S/S

Adbhar

132/33 KV, 40 MVA

X-mer No.-I(ABB)For preventive maintenance

9132 KV S/S

Chaple132 KV Chaple-Champa For premansoon maintenance

OUTAGE PLANNING MONTH OF SEPT-2017

2132 KV S/S

Adbhar

132 KV Adbhar-Jaijaipur

feederFor preventive maintenance

3220 KV S/S

Gerwani220 KV Raigarh feeder For preventive maintenance

4132 KV S/S

Jashpur

132 KV Jashpur-

Lodhma feeder

For postmansoon

maintenance

5132 KV S/S

Baramkela

132/33 KV, 40 MVA

X-mer No.-I(ABB)

For postmansoon

maintenance

400 KV

switchyard

HTPS, Korba

West.

400 KV Bay No-7, NTPC

Feeder at 400 KV

switchyard HTPS, Korba

West.

Cleaning and tightness of

clamps of bus and line isolator,

CT's & CVT's and

breaker.Cleaning of insulator of

CT's & CVT's , isolator and

breaker.

1


ANNEXURE III

OUTAGE PLANNING MONTH OF AUGUST-2017

19.09.17

(08:00 hrs. to 17:00 hrs.)

21.09.17

(08:00 hrs. to 17:00 hrs.)

25.09.17

(08:00 hrs. to 17:00 hrs.)

28.09.17

(08:00 hrs. to 17:00 hrs.)

30.09.17

(08:00 hrs. to 17:00 hrs.)

6132 KV S/S

Sarangarh132 KV Saraipali -II

For postmansoon

maintenance

7132 KV S/S

Adbhar

132/33 KV, 40 MVA

X-mer No.-II(ABB)For preventive maintenance

8132 KV S/S

Gharghoda132 KV pathalgaon feeder

For postmansoon

maintenance

8132 KV S/S

Raigarh132 KV RR Energy For preventive maintenance

7132 KV S/S

Adbhar

132/33 KV, 40 MVA

X-mer No.-II(Andrew

yule)

For postmansoon

maintenance

Documents

SSLLDDCC - SLDCCG