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Microsoft word - myd-2002-043-a fault indicator equipment hu.doc
TURKISH ELECTRICITY DISTRIBUTION CO.
MATERIAL MANAGEMENT AND PURCHASING DEPARTMENT
2. TECHNICAL CHARACTERISTICS
2.1. General Operational Characteristics
2.1.4. Recovery of Normal Operation (Reset)
4. ACCEPTANCE TESTS AND RULES
1. DOCUMENTS TO BE SUBMITTED WITH PROPOSALS
4. INSPECTION AND TEST EXCEPT ACCEPTANCE TESTS
ANNEX-2 SCHEDULE OF GUARANTEED CHARACTERISTICS
FAULT CURRENT INDICATOR EQUIPMENT FOR
MEDIUM VOLTAGE UNDERGROUND NETWORKS
1.1. Subject and Scope:
The present specifications cover technical and structural characteristics of the Fault Current
Indicator Equipment (FCIE)
which shall be utilized for detecting locations of failures appearing on
Fault Current Indicator Equipment (FCIE)
will cover the following instruments:
- Microprocessor controlled Main Unit
- Current Sensors
- Failure Signal Lamp
- Connection Cables
to be used between the Main Unit and Current Sensors and between Main
The FCIE specified herein shall conform to the latest editions of Turkish Standards (TS), European Standards (EN) and International Electronics Commission Standards (IEC) given at the list below and if any referred in other parts of the specifications, if not specified otherwise.
Electrical Relays- Part-5: Insulation coordination
– Characteristics and Tests for Measurement
Electromagnetic Adaptation (EMA) – Section 4 –
2: Testing and measurement techniques –
Electrostatic Unloading Immunization Test
Electromagnetic Adaptation (EMA) – Section 4 –
3: Testing and measurement techniques –
Radiated, Radio Frequency, Electromagnetic Field, Immunization Test
Electromagnetic Adaptation (EMA) – Section 4 –
4: Testing and measurement techniques –
Immunization Test against Electrical Rapid Temporary Regime/ Instantaneous Rapid Shock
Conditions- used with Electro technique Section
Test Processes Basic Environmental Conditions
Section 2: Tests,- Test B: Dry Temperature
Section 2-30: Tests,- Test Db and Pilot: Wet
Conditions- Section 2: Tests- Test Fc: Vibration
Protection Levels provided with Enclosures (IP
Protection Levels provided with Enclosures – for
the protection of Electrical Hardware to
(1) Test executed as per TS EN 60255-22-2 (Electrical Relays- Section 22: Electrical Deterioration Tests for Electrical Relays and Protection Hardware – Part -2 Electrostatic Unloading Tests) will be accepted too.
(2) Test executed as per TS EN 60255-22-3 (Electrical Relays- Section 22-3: Electrical Deterioration Tests for Electrical Relays and Protection Hardware – Tests for the Deterioration of Radiation Electromagnetic Field) will be accepted too.
(3) Test executed as per TS EN 60255-22-4 (Electrical Relays- Section 22-4: Electrical Deterioration Tests for Electrical Relays and Protection Hardware Tests–Immunization Test against Electrical Rapid Temporary / Explosion) will be accepted too.
(4) Test executed as per TS EN 60068-2-78 (Durability Tests against Ambient Conditions- Section 2-78: Test housing: wet temperature, Continuous Condition) will be accepted too.
1.3. Operating Conditions:
Unless indicated otherwise in the material list, instruments in the Fault Current Indicator Equipment should be operable under below indicated operating conditions:
MV Network Parameters
FCIE will be suitable for use with the network the electrical values are given below.
MV Network Nominal Short Circuit Current
• Grounded Neutral System over Resistance
2. TECHNICAL CHARACTERISTICS
2.1. Operational Characteristics:
FCIE’s specified herein are supposed to facilitate fast detection of malfunctioned section by means of visual signalization in case of a malfunction in MV supply.
To achieve this, the microprocessor controlled circuit in the main unit shall evaluate the fault current detected by Current Detectors and if the said current exceeds a predefined threshold value and continues for a minimum selected detection period will make the LED, failure signal lamp and
auxiliary contact at the main unit active until a reset is made
2.1.1. Current Detectors:
The Current Detectors shall have the properties of easy, faultless and quick installation. They can be mounted and demounted without the MV feed cables are being demounted. The cable between the Current Detectors and the Main Unit will be minimum 120 cm.
2.1.2. Current setting (setting of threshold values):
- Phase-to-Overcurrent figures:
Can be adjustable starting from 200* Amperes up to minimum
600 amperes (with at least three steps).
- Excess zero component current (3Io) figures:
Can be adjustable starting from 20 Amperes to
*: 225 and 250 Amperes are also acceptable as initial steps.
2.1.3. Failure Detection Period:
It is the period necessary for the main unit to identify an excess of fault current beyond the threshold value as a “failure”.
Failure Detection Period should be adjustable from 50 ms to 300 ms (with at least 4 steps).
2.1.4. Recovery to Normal Operation (Reset):
The “Recovery to Normal Operation (Reset)” operation shall be executed in four different ways, which are:
a) Reset by re-energizing:
The system shall automatically reset approximately 3 seconds after re-
energizing following the remedy of the failure is actualized at the Feeder the Current Detector is connected.
b) Reset by time setting:
The system should automatically reset itself within 2 or 4 hours at
maximum (which should be adjustable) even if the failure is still active.
c) Manual reset:
It shall be possible to reset manually via a button on the instrument
d) Reset by Remote Control:
If specified at the Material List, the FCIE reset shall be possible
through digital entry remotely (from Control and Monitoring Centre).
2.1.5. Failure Signal Lamp:
The Failure Signal Lamp will be composed from a lamp and enclosure and connected to the Main Unit with a cable. Unless a reset is not made the Fault Indication LED in the Main Unit and the lamp inside the Failure Indication Enclosure shall blink synchronously (with the same period). Blinking period shall increase depending on the duration of failure.
Like, blinking per 2 second for the first 2 hours,
blinking per 3 seconds for 2 to 3 hours,
and blinking per 4 seconds for 3 to 4 hours.
The flashing light of the Failure Signal Lamp shall be seen easily from a distance of at least 20 meters. The cable to be used for the connection between the Main Unit and the Failure Signal Lamp will be at least 10 meters.
2.1.6. Parameter Settings:
The Parameter Settings will be possible to be made easily from the Main Unit.
2.1.7. Insulation Characteristics:
Test voltage with network frequency (50 Hz-1 minute)
2.2. Structural Properties
FCIE will comprise minimum the following displays on it. These are:
A Test Button
to indicate whether the FCID is on or not.
A LED Display
to indicate whether there is a failure or not.
2.2.2. Auxiliary Contact
There will be at least 1 (one) Auxiliary Contact normally open (NO) to be used for remote control and monitoring. Current flow rating of the contact will be at least 0.5 Amperes at 60 V DC.
2.2.3. Protection Level
- Main Unit Enclosure: Components of the main unit shall be located in an internal enclosure. The protection level of the Enclosure will be minimum IP23 as per TS 3033 EN 60259 for dust, solid objects and water and IK-07 for mechanical impacts.
- Failure Signal Lamp Enclosure: The protection level of the Failure Signal Lamp Enclosure will be minimum IP54 as per TS 3033 EN 60259 for dust, solid objects and water and IK-07 for mechanical impacts.
2.3. Power Supply
FCIE (including all its hardware) will not require an external power supply and will be fed by a lithium cell located inside the instrument.
The life of the lithium cell will not be less than 400 hours with the lowest signal period for 7 (seven) years.
Tests shall be performed in compliance with relevant standards.
3.1. Type Tests:
Network Frequency Voltage Withstand Test (2 kV, 50 Hertz, 1 min)
Lightning Impulse Withstand Test (5 kV, 1.2/50 µs, o.5 J)
- Test for checking protection degree (IEC 60259, EN 50102)
- Electromagnetic (EMC) Compatibility Tests
Electrostatic Discharge Test (IEC 6100-4-2), (6 kV direct and 8 kV aerial contact)
Fast Temporary Condition Test (IEC 61000-4-4)
Operating Conditions (-10oC…+55 oC, IEC 60068-2-1, IEC 60068-2-2)
Relative Humidity (+ 40 oC - 95%, IEC 60068-2—30)
3.2. Routine Tests:
Routine Tests shall comprise the following at minimum, these are:
- Control of functional characteristics.
ACCEPTANCE TESTS AND RULES
At each delivery session, samples shall be randomly chosen by the Purchaser’s representatives and the number of samples shall be determined from the table below:
4.2. Acceptance Tests
Acceptance tests will include the tests given below.
4.3. Acceptance Criteria
a) Results of all type tests should be positive. In case that results of type tests are negative, and if the Purchaser feels that operational safety of FCIE shall not be achieved he may refuse all items of the same type and nature. The Purchaser may, the decision being fully in his discretion, accept the manufacturer’s request to make modifications in design of FCIE and repeat type tests in a reasonable period, costs thereof being on the manufacturer’s part.
b) The results of all routine tests should be positive. The Units with negative test result shall be rejected.
DOCUMENTS TO BE SUBMITTED WITH PROPOSALS
The Proposal Owners shall submit the following documents with their proposals for the FCIE they have proposed, if not specified otherwise at the Tender Document.
ISO 9001:2000 Quality Certificate of the Manufacturer.
The Type Test Reports (The tests should be carried out at an accredited laboratory or
Schedule of Guaranteed Characteristics (The Bidders shall fill and sign and attach a copy
of the Schedule of Guaranteed Characteristics at the Annex of the specifications to their proposal separately for each item they have proposed. This information submitted with these lists shall be binding.)
Storage, Montage and Putting into Service Instructions.
The Purchaser Shall indicate with the tender documents which documents of the above are required to be submitted with the proposal and which can be submitted until the first party delivery. If anything is not specified about this subject by the Purchaser; it shall be understood that the required documents should be submitted with the proposal, if they are not submitted with the proposal or not submitted although it is requested again, the related proposal shall be rejected.
The proposed Prices shall be submitted conformable to tender provisions. The proposed Prices shall include:
Complete FCIE with all hardware specified at the specifications,
If specified with the Material List the Bidders shall submit the Unit Prices of all type tests at the Technical Specifications separately (Transportation, insurance etc. all costs included)
GENERAL RULES ABOUT ACCEPTANCE TESTS
After signing the Contract the Contractor shall submit to the Purchaser test program. The
Contractor shall notify the PURCHASER at least 20 (twenty) days in advance the name, the place and the active date of the commencing of the tests to be performed abroad, and 7 (seven) day in advance for tests to be performed in Turkey.
Acceptance tests shall be carried out as witnessed by the Purchaser's
Representative/Representatives. If not stated otherwise at the Contract, the basis is that the acceptance tests being conducted at the Manufacturer's facilities. The tests that are in the scope of the acceptance tests and which cannot be conducted at the manufacturer's facilities may be conducted at another place the PURCHASER is going to find suitable. The application of Type Tests shall be conducted as per Article 3.c.
The Type Tests foreseen to be conducted in the scope of Acceptance Tests may be carried
out at an accredited laboratory or at another laboratory witnessed by the Purchaser's Representative/Representatives which is not accredited.
Other Acceptance Tests cannot be started before the Positive Test Reports of the Type tests are submitted to the PURCHASER. If the Type Tests are conducted at an accredited laboratory the participation of the Purchaser's Representative/Representatives is not compulsory.
The PURCHASER can notify the Contractor in due that he can not be present at the tests.
In this case, the Contractor shall proceed with the tests with the Manufacturer and submit the test results to the PURCHASER. The test reports thus prepared and signed together by the Contractor and Manufacturer shall be sent to the PURCHASER in 2 (two) copies for check and approval. In case of the test reports being approved, the PURCHASER shall issue a Release Note for Shipment and return 1 (one) approved copy of the Test Report to the Contractor.
No time extension shall be given to the CONTRACTOR for the delays at the delivery arising
from acceptance tests not being completed with the exception of reasons sourcing from the PURCHASER (not being ready at the test place at the determined date, not coming to a decision about the results of the tests, etc.)
No payment what so ever shall be made to the CONTRACTOR until the completion of the
At the test reports; the serial numbers and characteristics and positive or negative test
results of the sample(s) received for the tests shall be stated clearly and shall be signed mutually. In case the results of the tests are positive and if all other subjects stated at the Contract are appropriate, Release Note for the shipment of relevant party of goods shall be given by the Purchaser's Representative/Representatives.
If the Purchaser's Representative/Representatives cannot come to a decision about the
results of the Acceptance tests, may leave the decision to the General Management.
INSPECTION AND TEST EXCEPT ACCEPTANCE TESTS
The Purchaser's right to inspect, test and where necessary reject the goods after the goods
arrival in the final destination shall in no way be limited or waived by the reason of goods having previously
Representative/Representatives prior to the shipment of the goods.
The PURCHASER can give a decision of repeating
all or part of the type tests or routine
tests at the Manufacturer's facilities or at any accredited or any suitable laboratory abroad or local in the period of the Contract.
The sample/samples shall be selected by the Representatives of the PURCHASER and sealed mutually. If the test results are positive all of the costs shall be paid by the PURCHASER.
If the test results are negative all of the costs shall be paid by the Contractor. The PURCHASER, with the decision completely be with himself, within a reasonable period and with all costs belonging to the Contractor, can give a decision of replacement of the FCIE with appropriate ones following conducting all type and routine tests or terminate the Contract single sided.
PACKING AND TRANSPORTATION
FCIE shall be delivered packed into sturdy crates strong enough to withstand the course of unloading and transportation operations, suitable for stocking and moisture and dust proof.
One copy of installation and maintenance manual in Turkish prepared in detail will be provided inside each packing and the following information shall be written on each packing easily read and not wiped off easily.
Purchase Order No. and Material Code Number of the Purchaser (if any),
Maximum number of packed crates to be stocked on top of other.
The Contractor shall warrant each FCIE for design, material or workmanship defects (with all of its fixtures) for a period of 24 months starting from the date of delivery.
Should the FCIE and its fixtures have defects or become defective due to design, material and workmanship within the warranty period, and such defects can not be remedied at the place of erection the Contractor shall act, at his own expense, for dismantling, transportation to the manufacturer's premises, repair, transportation to the destination to be indicated by the PURCHASER after repair and mounting as necessary of the goods.
The Contractor shall transport the defective goods to the manufacturer's premises within 15 (fifteen) days from the date of the written notice, and shall deliver the repaired goods to the destination to be indicated by the Purchaser within 15 (fifteen) days from the date of the completion of the tests.
If the Contractor fails to comply with such delivery terms, or, if the Contractor, having been notified, fails to remedy the defects, the Purchaser shall proceed to take such remedial action as may be necessary, at the Contractor's expense. In this case the Purchaser shall collect the cost and expenses from the payments if any, or from performance security of the Contractor.
The repaired or replaced equipment shall comply with the same warranty stipulations above
After the termination of the guarantee period the Contractor with the expenses belonging to the PURCHASER shall guarantee to supply the spare parts of the material of FCIE for a period of 10 (ten) years.
MATERIAL LIST (*)
1. Material Code Number of the Purchaser
(*) If any additional characteristic not specified at the Specifications is required the characteristics (values) required by the PURCHASER will be specified in this section.
SCHEDULE OF GUARANTEED CHARACTERISTICS
Name of Manufacturer and Country of Origin
Setting ranges of the Phase-to-Overcurrent figures
Excess zero component current (3Io) figures
(shall be given connected with the signal period of the Failure Signal Lamp)
(Toroidal Current Transformer/Current Sensor/other)
Number of Auxiliary Contact and Current capacity
Withstand Voltage value of network frequency for a
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