21.10.2016 Page 1 - SRPC, Bengaluru wiring etc) would be furnished after the project SAT is...

URTDSM/SCADA/Communication Meeting – 21.10.2016 Page 1

Minutes of the Meeting on URTDSM, SCADA and Communication Issues held

on 21.10.2016 at SRTS- II, POWERGRID, Bengaluru

Introduction

A Special Meeting on URTDSM, SCADA and Communication issues was held

at SRTS-II, PGCIL, Bengaluru. The list of Participants is given at Annexure-I.

GM, SRTS-II, PGCIL welcomed all the participants to the Meeting. He stated

that there had been progress with regard to URTDSM and Communication

issues and it was the right time to review the progress.

Shri S R Bhat, Member Secretary, SRPC welcomed the Members to the

Meeting and suggested that focused review of the pending issues could

kindly be taken up. URTDSM project was required for secured grid

operation and thus it was the joint responsibility of all entities to ensure

that the project is completed in a timely manner. It was gratifying to note

that SCADA/Communication issues were getting resolved progressively.

Members from SRPC, SRLDC, PGCIL SRTS-I, PGCIL SRTS-II, TANTRANSCO,

TSTRANSCO, KSEBL, KPTCL, NTCL and ALSTOM (vendor) participated in this

Meeting.

URTDSM

The following was deliberated in the Meeting:

On account of changes in the details of Nodal Officers, (as decided in the

last meeting) it was requested to furnish the updated details.

TANTRASCO and TSTRANSCO informed that they had already shared

these details.

It was noted that details of the Nodal Officers would be communicated

formally. All Official communication would be sent through letter and

email. It was also agreed that details of the Nodal Officer could be

communicated to form a WHATSAPP Group so as to look into despatch,

installation and commissioning issues under URTDSM project. The

above group would be functional under the maintenance phase also. It

was requested to SMS the names and details of Nodal Officers in the

following format – URTDSM Utility Name <contact name and number >

to 9449599026( Mr Harish Kumar Nair, Chief Manager-RTAMC/SR-II).


PGCIL LD & C had earlier highlighted the URTDSM project (SR portion)

as follows:

o Total Number of PMUs in SR – I = 96

o Total Number of PMUs in SR – II = 129

o Original schedule of Project completion = January 2016

o Life span of PMUs = 15 years

o Life span of control centres = 7 years

o AMC period = 7 years ( 1 + 6)

Present status of project execution is as follows :

o SR – I : 24 PMUs in 5 Substations had come on stream

o SR – II: 59 PMUs in 16 Substations had come on stream.

o Project Coordinator of M/S Alstom informed that total number of

PMUs to be installed in SR as per URTDSM project package-II had

increased from 225 to 240 due to commissioning of new stations

and additional feeders.

o 192 PMUs are already supplied against 225 PMUs.

o 4 PMUs are under testing and 16 are under manufacturing. These

would be supplied by the end of November 2016 thus taking total

number of PMUs to 212.

o Remaining 28 PMUs as per revised BOQ (out of 240) would be

supplied after amendment is received by M/s Alstom from LD&C,

PGCIL. SR-I ( nodal region) assured that they would take up with

LD&C for the revised BOQ and amendment may be expected in a

fortnight time

o PMU installation in SR would be completed by December 2016.

FAT of PDC corresponding to SR was expected to be completed by

January 2017. The system was expected to be commissioned by

April 2017.

o SRLDC/SRPC expressed concern that the project was getting

further extended and requested PGCIL to put concerted efforts to

complete the project by January 2017. SRLDC requested PGCIL/

Alstom to share the project execution progress and furnish the

monthly schedule of the project (installation and integration to

Control Centre) so that all 212 PMUs could be integrated to SRLDC

PDC by December 2016.


o M/S Alstom stated that they would able to complete the project

by March 2017. PGCIL / Alstom agreed to furnish the project

execution progress within a week.

With regard to PGCIL’s request for review & re-confirmation of items

envisaged in the site survey for each location with due consideration to

space constraints etc, the following was noted:

o PGCIL informed that they had received requirement of UPS from

M/s GE vide letter dated 14.10.2016 (Annexure-II). It was noted

that Power requirement at RLDC was 18 (2 x 9 Main and Standby)

KVA while at SLDC, it was 6 (2 x 3 Main and Standby) KVA. UPS

was coming in configuration of 40/60 KVA including all the

components. They had communicated the UPS details (drawing

etc) to SRLDC. It was noted that the approved drawings of UPS

would be forwarded to APTRANSCO, TSTRANSCO and

TANTRANSCO. APTRANSCO, TSTRANSCO and TANTRANSCO were

requested to revert back within a week. SRLDC agreed to confirm

on the UPS requirement after studying the drawings provided and

taking into consideration the space availability at site within a

week.

o SRLDC requested SR-II to explore the possibility of supplying UPS

system excluding input and output ACDB so that on-site space

constraints could be mitigated. SR-II agreed to revert back within

a week’s time.

o KSEBL confirmed that the power supply could be availed from the

existing new Delta UPS (40 KVA + 40 KVA) installed for SCADA

system considering the power requirement was below 10 KVA and

suggestion from PGCIL to use this spare capacity.

o On KSEBL’s query, PGCIL confirmed that there was no DC load

requirement. PGCIL also confirmed that the cabling, power

supply, LAN etc (from UPS/ACDB to PDC – three floors) was under

the scope of M/s Alstom.

o KSEBL requested for the details and drawings for the PDCs for

SLDC, Kalamassery to re-assess the space requirement. PGCIL

agreed to furnish the same.


o SRLDC confirmed space availability for eight numbers of Server

Racks at SRLDC.

Regarding redundancy for PMUs, PGCIL confirmed that all PMUs were

provided with redundant communication paths. Detailed

communication flow would be shared with SRLDC & SLDC before

commencement of SAT of Control Centres.

In the earlier Meeting, it had been felt that it was essential that visibility

/ data of at least entire state details be made available to the SLDC

irrespective of state owned / IPPs / ISGS / ISTS. PGCIL informed that the

original DPR had not envisaged such an arrangement. However, this

feedback would be considered in Phase-II of the project.

In the earlier Meeting, it was noted that C37 – 118 protocol used in this

project also supports bi-directional data flow. It is very much essential to

have bi-directional data flow between SLDC & RLDC control centres so

that entire regional data is available to all the SLDCs for study as well as

other support. In the Meeting, PGCIL informed that this was more of an

operational issue between POSOCO and the State Constituents.

Technically any PDC could communicate with upstream or downstream

PDCs on IEEE C37-118 protocol. However, approved engineering design

of RLDC/SLDC PDCs did not envisage reporting of entire regional data in

SLDC PDC ie entire region data shall be available only to respective RLDC

PDC while State PDC would get data from State Sector PMUs only. After

deliberations, it was noted that SRLDC and State SLDCs could mutually

coordinate and extend the requisite requirements keeping in view the

Phase-II plans and also subject to technical feasibility and clearance by

appropriate authority.

It was noted that SAT of WR was being taken up and the feedback would

be incorporated in the FAT of SR. The draft SAT procedure would be

circulated. Training would be provided to all constituents & SRLDC on

PMUs & Control Centre HW / SW training on SAT procedure before

commencement of SAT. SAT in SR was planned during January 2017.

SAT at SRLDC would be witnessed by LD&C representative along with

participants of constituents. Subsequently, individual constituent could

take-up SAT independently in their locations. SRLDC pointed out that


the SAT should be point to point ie from each PMU/Control Centre to

SRLDC. PGCIL confirmed the same.

In the earlier Meeting, it had been highlighted that Training on

Applications part also was very much essential. PGCIL informed that

Analytical Apps were not part of Package-I&II awarded to M/s GE and

were being developed by Academic Institute. There was no formal

training envisaged in the MOU with IIT, Mumbai. Constituents / SRLDC /

SRPC expressed that training under Analytical Apps was essential to

utilise the advantages of the PMUs in real time operation / decision

making/protection etc.

It was noted that coordination issues were more or less getting sorted

out. In the earlier deliberations, it was noted, ‘it was agreed that PGCIL

would intimate to constituents a week in advance regarding despatch

of equipment and commissioning activities at their respective sites. The

contractor was also strictly advised to adhere to the visit schedule and

communicate in advance to the respective site co-ordinator / nodal

officer, in case of any slippage / change in schedule’. The constituents

were also requested to assist and get all the issues resolved.

PGCIL informed that Built Drawings (including changes done in the

CT/PT/Status wiring etc) would be furnished after the project SAT is

completed.

Regarding CT/PT points extension at NTPC Kayamkulam, KSEBL

informed that the details had been discussed with NTPC, Kayamkulam

Officials and the matter was being followed up at higher level. The issue

would be resolved by October 2016 end and integration would be

possible.

In the earlier Meeting, PGCIL had expressed that constraints were faced

in AP system at locations such as Vemagiri, etc. In response, AP

representative had mentioned that there also certain difficulties

involving metering / commercial issues of DISCOMs. However, the

matter would be appraised to senior level of respective departments

and facilitated for integration / completion of work at the earliest. In the

Meeting, PGCIL informed that APTRANSCO vide their email dated

20.10.2016 had raised certain issues. PGCIL informed that the issues


raised by APTRANSCO had been discussed and the same would be

settled. Issues at Vemagiri, Chittoor, GMR were interlinked and once the

Vemagiri issues get resolved, other issues would similarly get resolved.

MS, SRPC requested DGM, URTDSM, SR-II to coordinate with

APTRANSCO in the amicable manner to resolve long pending issues to

facilitate faster project execution at APTRANSCO sites.

TSTRANSCO stated that the re-survey works at Srisailam could be taken

up with prior information. PGCIL / Alstom agreed to take up the works at

the earliest.

It was noted that M/s Alstom and PGCIL representatives would certify

completion of the commissioning activity at each site.

Regarding spares, PGCIL informed that increase in spare quantity was

not feasible under URTDSM project. Spares would be kept at strategic

locations and details would be shared after the project moves into AMC.

Supply of spares was in the scope of the contractor as and when the

need arises.

PGCIL confirmed that obsolete SEM panel had been removed at NLC

Stage – II for erection of PMU panel.

It was noted that cable for Kalamassery S/S to SLDC (control Centre) was

available at store of M/s Alstom at Kalamassery. There were some

issues in laying the cable in the trench as it was not accessible. KSEBL

reported that the survey for laying cable had been completed again to

re-assess the viability and it would rectify blocks, if any in the trench.

PGCIL pointed out that all constituents need to provide necessary

communication ports for connection of server equipment under

URTDSM project. Necessary ports needed to be identified, tested and

kept ready to avoid last minute surprises.

KSEBL informed that there was no SFPs-Gig port supplied along with

PMU items and the same was to be supplied. PGCIL confirmed that it

was required to free-up the Gig port for PMU communication.

On a query by KSEBL on metering core selected for PMU, PGCIL stated

that the performance would be analysed for operational accuracy once

it becomes functional.


SCADA and Communication Issues

The following issues were deliberated:

Meeting with M/s ALSTOM regarding AMC issues, punch points

It was noted that in the 29th Meeting of TCC, SRLDC had informed

that they had called M/s Alstom for two days meeting to sort out

contract related issues. AP, Telangana and Kerala would also be

invited to address common issues. SR-II had informed that the

meeting (on 09.06.2016) with KSEBL, M/s Alstom and PGCIL was

held on these issues. Some punch points were not possible to

complete on account of design issues while other had been

agreed to be completed. MoM could please be referred and

pending punch points could be converted into pay and recovered.

TSTRANSCO had stated that the issue regarding recovery and the

necessity of completing the pending punch points needed to be

deliberated. SRLDC had assured that all issues of the States with

M/s Alstom would get settled in the proposed Meeting.

In the 30th Meeting of SRPC, CMD, KSEBL had pointed out that

there was certain deficiencies in the SCADA system provided by

M/s Alstom and the issues had been brought to the notice of

PGCIL. SR-II had assured that all the deficiencies would be

addressed in a meeting.

In the Meeting, SRLDC informed that Senior Committee meeting

for assessing financial implication of short supply items in the

SCADA upgradation project is being conducted at WRLDC,

Mumbai on 24-25th Oct 2016. In the earlier Telecon held at SRLDC

on 29.08.2016, 9 punch points had been attended while 9 punch

points were under discussion. Since it was an internal committee,

other constituents had not been called.

MS, SRPC requested PGCIL / SRLDC to assist in sorting out the

issues at the earliest.

Action Plan: After discussions, it was decided that based on the outcome

of the meeting at WRLDC, a Progress Review Meeting (PRM) would be


called with M/s Alstom, SR-I, SR-II, KSEBL, APTRANSCO, TSTRANSCO &

Puducherry ED to sort out the AMC and punch points issues.

ICCP link between RTAMC and SRLDC

In the 29th Meeting of SRPC, PGCIL and SRLDC had agreed ICCP link

connectivity between RTAMC and SRLDC was agreed as third

connectivity. Data requirement would be mutually settled between

RTAMC and SRLDC.

Action Plan: POWERGRID and SRLDC to decide the ICCP data transfer

philosophy both ways in a month’s time.

PGCIL suggested extending new requirement of status points (isolators)

which had not been envisaged in the earlier SCADA project to SRLDC

through the ICCP link. SRLDC stated that the requirement of status

points was required for dynamic State Estimator. It also needed to be

assessed how the same would be integrated in the SCADA. After

deliberations, SRLDC agreed to take the status points through ICCP link

but insisted that the primary requirement still exists.

Data discrepancies in ISGS/IPP/PGCIL/STUs

Data discrepancies were highlighted by SRLDC (Annexure-III). On a

query, KSEBL confirmed that sufficient spares for Transducers are

maintained for replacement. SR-I assured that immediate action on

maintaining the requisite spares would be taken up.

Action Plan: To be addressed at the earliest by all concerned entities.

Sufficient number of Transducer spares needs to be maintained as per

usage/ replenishment. SRLDC would update status every fortnight and

also the improvement in resolution of data discrepancies. With regard

to the large number of OLTC points, not updating the SCADA, SR-II

proposed to test one OLTC point as status point. SRLDC agreed for

testing of the same. It was also agreed that SRLDC would review the

feasibility of long pending OLTC points at Kaiga, MAPS, ISGS stations etc

and drop requirement, if found, not to be feasible.

RTU Data availability

SRLDC pointed out low RTU data availability for the following nodes:


Puducherry data had been down from 29.09.2016 to 07.10.2016. During

September 2016, NP Kunta 220 kV (APTRANSCO) availability was about

72% due to Gateway / Communication link issues while Vallur availability

was 89% and data was intermittent. During August 2016, LANCO

availability was 79%.

The following action plan had been finalised in the Meeting held on

17.05.2016:

SCADA /Communication issue observed by any of the entities would be

reported to SRLDC/PGCIL/User. SRLDC would look into any issue of

SCADA system at their end in coordination with M/s Alstom. Similarly,

User would address the issue at their end. PGCIL in coordination with

their contractor (M/s Tejas) would look into communication issues. All

agencies would interact to resolve the issues within three hours. In case

the issue is not resolved within 24 hours, physical involvement of OEM

(M/s Alstom and M/s Tejas) through effective coordination by

PGCIL/SRLDC/User would be ensured to address the issue. PGCIL Nodal

Officers GM/AGM would be apprised of the issue. In case of hardware

replacement/rectification/problems associated with DCPC, the same

would be completed within 72 hours.

ICCP link between KPTCL Main & Backup SRLDC

SRLDC informed that the link had been configured and initial testing was

completed. Data population was to be carried out at both the ends.

KPTCL confirmed the same.

Action Plan: SRLDC and KPTCL were requested to kindly coordinate and

attend the pending issues.

Reporting of Status point of Gazuwaka (Isolators not reporting)

SRLDC informed that non-reporting of Isolators was attended by M/s

Alstom in consultation with site engineers at Gazuwaka. However,

presently all the status points are reporting only on exception.

Action Plan: It was decided that SR-I would engage Gazuwaka SAS

gateway vendor for resolution of this issue.

Data discrepancies between site & SCADA values


SRLDC emphasized that due to data discrepancies, grid drawals are being

affected and many a times large variations were being observed in real

time grid drawls of constituents. It was mentioned that these errors

needed to be attended so as to provide correct grid drawls in real time

to all constituents.

Action Plan: SR-I informed that analog data discrepancies pertaining to

Nagarjunsagar station would be attended within three weeks. SR-II

confirmed that non-reporting of Nly-II U2 HV side MW would be

attended in 10 days. After deliberations, it was noted that all faulty data

points involved in computation of real time grid drawl of constituents

need to be attended immediately and resolved within a week through

effective co-ordination between SR – I, SR – II and SRLDC by taking this

assignment with exclusive focus. Other points of discrepancies would be

resolved in subsequent weeks, but within a month.

Replacement of Transducer at NTPC Ramagundam

SRLDC mentioned that while any one of the Ramagundam –

Bhadrawathi lines is under outage, line flow (non up-dation beyond +/-

600 MW) is not happening, thereby leading to error during real time

operation.

Action Plan: It was noted that NTPC in the OCC meeting had stated that

the procurement action for programmable transducer procurement was

under process. Technical scrutiny was over and the works would be

completed by Jan 2017.

Providing additional RTU at NTPC Talcher

Action Plan: NTPC Talcher RTU – It was noted that as per 124th OCC

discussions, RTU procurement was under progress and the same would

be completed by November 2016.

Establishing Standby data channel from NPCIL Kaiga

SR-II informed that the standby channel for Kaiga GS had been extended.

SRLDC confirmed the same.


Frequent interruption of communication link between KSEBL back-up SLDC & SRLDC back-up control centre SR-II informed that PHCIL / Telecom had looked into the issue and the

link was stable.

Training on RTU maintenance

Action Plan: PGCIL informed that a training module on RTU maintenance

could not be held due to some reasons. The training is now proposed

to be held on 18.11.2016 at Yelahanka/Hosur for all CGS & Regional

Entities of SR.

RLDC Certification for filing CERC tariff petition for ULDC assets (OPGW communication links) PGCIL presented the procedure for issuing RLDC Certificate for filing

CERC Tariff Petition (Annexure –IV) for all future communication links.

For already submitted applications pending at SRLDC, PGCIL confirmed

to provide schedule for link testing by 07.11.2016.

Action Plan: After discussions, the Procedure was agreed to be followed

by the concerned entities. SR-I, PGCIL was suggested to take up the link

testing works at the earliest and complete all the works for the already

submitted applications.

Clearance from TSTRANSCO for laying of balance OPGW in KTPS-

Khammam line

In the earlier meeting, PGCIL had mentioned that due to non-availability

of clearance from TSTRANSCO, above OPGW laying works is getting

delayed and thereby impacting the project schedule.

Action Plan: TSTRANSCO informed that the re-routing of towers was in

progress and was planned to be completed within two months.

OPGW stringing on balance portion of KPTCL lines

SR-II informed that they had received permission for carrying out the

OPGW stringing on balance portion of KPTCL lines and the works had

commenced on Hebbal- Peenya line.


Sparing of fibres in TANTRANSCO links by TANTRANSCO

In the earlier Meeting, PGCIL had requested TANTRANSCO to spare 4 no.

fibres in following TN links for integration in SR network:

1. Chennai SLDC-Sriperumbdur

2. Chennai SLDC-Tondiarpet

3. Sriperumbdur-SP KOIL

4. SPKOIL- NLYTS 2

5. Arasur –MTPS-Salem(PG)

6. Krkd230-Madurai Subldc

7. Vallur-NCTPS2-NCTPS1

TANTRANSCO had informed that fibres of the links under Sl. No. 1, 2 & 6

are not available right now and about others, it had agreed to

communicate their consent upon approval from their competent

authority. They had requested PGCIL to raise the matter with CE (P&C),

TANTRANSCO for early resolution.

Action Plan: In the meeting, TANTRANSCO informed that they would

expedite and approval could be expected by end of November 2016.

Sparing of fibre in Central Sector project

TANTRANSCO requested for sparing of fibre in certain links of Central

Sector project.

TANTRANSCO was suggested bringing it as an Agenda Item so that a

common uniform approach could be approved by all entities.

Site finalisation for installation of SDH & PDH at Madurai 400

TANTRANSCO

It was noted that SDH and PDH equipment installation was under

progress.

Sparing of Fibres in Kalamassery-Brahmapuram link by KSEBL

PGCIL requested to confirm sparing Fibres of Kalamassery-Brahmapuram

link for extending MCN-STM-16 connectivity from SRLDC to KSEBL’s main

SLDC.


Action Plan: KSEBL informed that Higher Management sanction was

expected shortly. KSEBL requested for accounting and project cost

sharing involved for KSEBL fibres.

Interconnectivity of SDH equipments at Kozhikode & Edamon

PGCIL requested KSEBL to accord permission for interconnectivity of the

newly installed SDH equipments at Kozhikode & Edamon with the

existing KSEBL’s SDH equipments so as to integrate the new OPGW links

of Edamon-Thirunelveli and Mysore-Kozhikode with ULDC network of

KSEBL. PGCIL confirmed that the requirement was for Grid operation

purpose only. KSEBL requested for alternate ring channel for KSEBL

through these links, the details of the required data links would be

submitted. It was noted that connectivity had been completed at

Kozhikode and KSEBL agreed for the same at Edamon.

Action Plan: KSEBL and PGCIL agreed to resolve the issue mutually.

Alternate communication channel between main and backup SLDC of

KSEBL

It was noted that the alternate communication channel between main

and backup SLDC of KSEBL had been established.

Updation of scheduled shares/difference in deviations

KSEBL informed that there were some issues in updation of scheduled

shares raised and difference in deviations were being observed at SLDC.

KSEBL informed that Power Quality Analyser would be ready within a

month for verification.

Action Plan: KSEBL and SRLDC agreed to reconcile the differences.

Cost details of various projects

In the earlier Meeting, KSEBL had requested for split up of ULDC / MW

replacement / URTDSM / IP phone projects etc for verification and to get

necessary approval from the management.

In the Meeting, PGCIL informed, that ULDC project was being

implemented under Central Sector as well as State Sector. In case of


Central Sector, the tariff was being recovered through PoC as per

Sharing Regulation. In case of State Sector, the tariff was to be

recovered from the respective States. Unlike transmission tariff, ULDC

tariff was levelised tariff for 15 years period. O&M of State Sector assets

was under the scope of respective States and hence O&M component of

tariff was Nil.

Protection Coupler replacement for Kayamkulam Transmission system

KSEBL informed that there was need for replacement of Protection

Coupler and the issue had been raised in the OCC forum. KSEBL vide

letter dated 17.10.2016 (Annexure-V) had suggested to be included for

discussion in the meeting.

Action Plan: SR-II stated they would examine the matter and revert

back.

NTECL Fibre Channel connectivity

SR-II informed that the Vallur data channel had been extended up to

Sriperumbdur DCPC and the same could be jointly tested by Vallur and

SRLDC. NTECL confirmed that the testing could be carried out at the

earliest.

Action Plan: It was agreed that the joint testing would be carried out on

23.10.2016 in coordination with NTECL, SRLDC and SR-II.

Withdrawal of services by M/s Alstom under EMS / SCADA upgradation

TSTRANSCO expressed displeasure over withdrawal of services by M/s

Alstom under EMS/SCADA upgradation due to payment issues (note

submitted by TSTRANSCO at Annexure-VI) and requested PGCIL to

coordinate to avoid repetition of such incidents in future.

SRLDC also expressed concern over such approach by M/s Alstom as

similar incident was also observed at SRLDC. It needs to be understood

by M/s Alstom that Grid security was at stake and such approach needs

to be avoided.

Action Plan: PGCIL informed that all the major works under the project

are completed and the system was in use since last two years. Timely

release of payment was an important aspect in any project and in some


cases, there had been abnormal delay in release of payments from

constituents. However, it was informed that this issue may further be

taken up in the PRM meeting proposed during 2nd Week of November

2016.

Other issues raised by KSEBL

o KSEBL requested for fault/failure reports from the Vendor (M/s Tejas)

for all the disturbance that had occurred in the optical network

including between SLDC-SRLDC, SLDC backup etc. PGCIL stated that

they would take up the issue with Vendor.

o KSEBL pointed out that the need for quick attention in respect of M/s

Tejas service as mandated in the contract. Service Engineer needs to

be at the site as per the agreement to attend link related issues. PGCIL

stated that the Vendor was stating that the Service Engineer need not

be at the control centre in Kalamassery but may be in Kalamassery.

KSEBL added that appropriate / complete action was not taken by M/s

Tejas as committed in the previous Meeting.

o KSEBL reported about the continuous and intermittent failures of IP

phone links especially between the Control Centres. The Vendor was

not rectifying the problems in time. PGCIL assured that they would

take up the issue with the Vendor.

o On a query, PGCIL confirmed that there was no proposal at present for

supplying more Ethernet cards (battery and charger etc) as

replacement and priority shall be given for Grid operation and switch

may be used for internal application. KSEBL informed that installation

of battery and charger was completed at Kalamassery and

Thiruvanthapuram and can be used for IP phone / SDH etc as per the

suggestion.

o In the earlier Meeting, KSEBL had pointed out the need for MCN

network (STM-16) to KSEBL backup SLDC at Thiruvanthapuram by

making use of STM-16 devices there. PGCIL had stated that it would be

verified soon. SDH (STM-4) equipment used by PGCIL in KSEBL

Thiruvanthapuram would be spared soon and schedule of works for

replacing the links from the devices would be given soon. In the

meeting, PGCIL stated that this could be used as additional capacity /


standby and requested KSEBL to reconsider.

o On a query, PGCIL informed that old devices like Marconi make

SDH/Micro wave equipments could be removed / decommissioned as

they are already replaced.

o KSEBL informed that the installation and testing of SDH / PDH

equipments in Palakkad was in progress.

Conclusion

Member Secretary, SRPC thanked the participants for their active

deliberations and hoped that the issues would be resolved in a time bound

manner. He thanked SR-II for hosting the Meeting.

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