Requirements to electric connections 


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Requirements to electric connections



 

Contact connections of wires in a low-voltage equipment must conform to the requirements GOST 10434-82.

 

Editing of wires - buildings.

 

For editing a copper, solid wire must be used, except for connections with mobile elements for which a wire must be flexible.

 

Section of wires concordantly RSEI p.3. 4.12, but no less:

 

  • for current chains and chains of tension are 2,5 mm;
  • for other chains are 1,5 mm.

 

Wires must not have a pull.

 

The electric editing must not hinder access to the removable and managed elements for examination, verification and their replacement.

 

The ends of free wires must be isolated.

 

All wires and apparatus must have marking, proper indicated on an of principle chart and chart of connections.

 

Contact connections of wires in LCD must correspond GOST 10434-82.

 

Requirement to the rows of clamps

 

These requirements do not spread on power clamps.

 

The rows of clamps must be set apeak on the assembling side of closet and disposed on the left and right side-frames.

 

Placing of clamps and apparatus on panels must provide comfortable access to the clamp of the second chains on any terminal.

 

Clamps must have connection "screw-screw" for the nominal section of explorers to 4 mm with a maximal loading current no less than 16 A and by nominal tension no less than 400 V.

 

Clamps must take from measurings clamp with release, communicating terminals and terminals with slide-type disconnectors.

 

Communicating clamps must be set in the chains of permanent and variable tension, operations in which will be executed an operative personnel with the use of separate make-and-break devices (switches, proof-of-concept blocks, sockets etc.). Number them determined a project for every panel concretely.

 

Communicating clamps with dis-connector must be set in the chains of direct-current, operations in which will be executed a relay personnel (chains of signaling, chains to the recorder of emergency events, chains of starting of commands of teleacceleration, prohibition ARI etc.). Number them determined a project for every panel concretely.

 

Clamps with slide-type release must be set in the measuring chains of TC (transformator of current) and TT (transformator of tension).

 

Contacts and all belongings of current-carrying chains must be protected from a casual touch in obedience to the standard of safety.

 

The construction of terminals must eliminate possibility of casual shorting nearby clamps.

 

In a complete set deliveries must be bridges, foreseen a chart (by a working document).

 

Class of inflammability for all types clamps V0 on the standard of Ul94.

 

Basic descriptions of clamps must conform to the requirements of standard of IEC 7-7.

 

Requirements to the make-and-break switchgears

 

· The switches set in closets must provide reliable commutation of currents from 2 to 1000 mA at nominal tension 220 V.

· Transitional resistance of contacts make-and-break devices must be no more than 0,002 Ohm.

· The wearproofness is more than 25000 cycles.

· Durability of isolation - 1000 V, during 1 minute.

 

Requirement to editing of apparatus

 

All make-and-break devices, proof-of-concept blocks, relays must be disposed on the external facial surface of closet.

 

Microprocessor devices of defense in a closet it is necessary to place at level, comfortable for service (height 1,4 - 1,7 m from the level of floor).

 

For fastening apparatuses must be used assembling laths.

 

Resistors, diodes, condensers must take place from the back (editing) side of plane for setting of apparatus.

 

Every vehicle must have marking in accordance with denotation of vehicle on an of principle chart.

 

Inscriptions of make-and-break devices, alarm apparatus etc. must be disposed under a device in a scope for inscription. Inscription must include marking and setting of vehicle.

 

Requirements to reliability

 

Reliability of low-voltage complete equipment indexes must correspond GOST 27.003-90, GOST 20.39.312-85.

 

Requirements to fire safety

 

The construction of closet must correspond the terms of fire safety in accordance with GOST 12.1.004-91.

 

Kitting

 

In the complete set of delivery LCD must enter:

 

· closet with the internal editing of all necessary elements, including microprocessor device;

· standard complete set of spare parts, recommended a factory-manufacturer;

· operating document on ukraine /russian language.

 

 

Nomenclature and amount supplied with the equipment of the systems electric defense and automation of substation 330 kV «Zhovtneva»

Name (technical descriptions) Units of measurings Amount Note
  Complete set of basic differential-phase defense WL-330 kV with the functions of reserve defense and HF by a transceiver Complete set   To foresee replacement from an opposite side (project)
  Complete set of reserve defense WL-330 kV on the controlled from distance and current principle with the function of ARI,DBRS Complete set   Reserve complete set of defense WL-330 kV
  Complete set of defense autotransformer AT-330/110 kV on differential, controlled from distance and current principle Complete set   Basic complete set of defense AT-330/110 kV
  Complete set of defense autotransformer of AT-330/110 kV on differential, controlled from distance and current principle Complete set   Dublicate complete set of defense AT-330/110 kV
  Complete set of differential defense of bus arrangement autotransformer DDB-330 kV Complete set   DDB(differential defense of bus arrangement) –330 kV executed without duplicatio
  Complete set of automation management a switch 330 kV with the functions of DBRS, ARI Complete set    
  Complete set of differential defense of tires of DDT-330 kV (basic and dublicate) Complete set   DDT (differential defense of tires) –330 kV executed with duplication
  Complete set for the reception of commands RP and SA on HF channel (Receiver) Complete set   General amount for WL-330 and 110 kV
  Complete set for the transmission of commands RP and SA on HF channel (Transmitter) Complete set   General amount for WL-330 and 110 kV
  Microprocessor device of fixing disconnecting and including line (FLD/FLI) Complete set   Not used
  Microprocessor device of automation liquidation of the asynchronous mode (ALAM) Complete set   Not used
  Complete set of basic differential-phase defence WL-110 kV with the functions of reserve defense and HF by a transceiver Complete set   To foresee replacement from an opposite side (project)
  Complete set reserve step distance and current defense WL-110 kV with the function of ARI,DBRS Complete set   Reserve complete set of defense WL-110 kV
  Complete set of defense for bus connecting (BSC-110 kV), sectional (CS-110 kV) switches 110 kV Complete set   General amount for a side 110 kV
  Complete set of differential defense transformer of AT-110/35 kV with the functions of reserve defense Complete set    
  Complete set of differential defense bus arrangement of DDB-110 kV for AT-1, 2 and T-1, 2, 3, 4 Complete set   DDB–110 kV executed without duplication
  Complete set of automation management a switch 110 kV with the functions of DBRS, ARI, FLD (FLI) Complete Set    
  Complete set of differential defense tires DDB-110 kV (basic and dublicate) Complete set   DDT–110 kV executed with duplication
  Laptop computer (notebook) with set SOFTWARE things   For connecting to RPA
  Complete set for the leadthrough of adjusting and verification equipment RP and SA Complete set    
  Proof-of-concept complex for verification HF apparatuses Complete set    
  Cable products and complete set Complete set determined a project  
  Spare parts and adaptations (SPA) Complete set determined a project  
  Low-voltage complete devices (LCD). Closets with the microprocessor terminals of defense   things determined a project  

 

 

Tables of technical information for the system of relay protection and automation

 

Generals

The tables of technical requirements presented below must be fully filled Participant of auctions and presented together with the tender offering to Customer.

 

Descriptions and guarantees, plugged in these tables, must become part of Contract and to be obligatory for implementation. Without a writing concordance with Customer of deviation from requirements shut out.

 

The participant of auctions must present all necessary catalogues and information for complete description of the offered equipment, mechanisms, adaptations, devices and materials which will be used by him for implementation build of assembling and starting-up and adjustment works.

 

The participant of auctions carries responsibility for any errors, disparities or omissions in the descriptions offered to them in the tables of technical requirements.

 

The participants of auctions must understand that incomplete answers for put question mean disparity the requirements of Customer (to the requirements of Contract), and the result of it can be a waiver of Customer of such tender suggestions.

 

The participants of auctions must confirm in the tender suggestion, whether their offering to the requirements of Customer corresponds in (without some rejections) general or not.

 

If there are rejections or differences, they must be described and explained for every position of tables in a column «Note» or on a separate sheet.

 

 

Terminology

Next terminology is used in this document (list not exhaustive):

 

ACS Automated Control System for Technological Processes;
ATPAR Accelerate Three-phase autoreclosing;
AR Automation Reclosing;
CD Compact Disc;
CBFP CB Failure Protection Device;
FOCL Fibre-optical Communication Line;
GPS Global Positioning System;
HF High-frequency;
NTP Network Time Protocol;
OLTC On-load tap changer;
PC Personal Computer;
PTE Rules of Technical Operation;
RSEI Rules of Electrical Equipment Installation;
RP and SA Relay protection and special automation;
PST Phase-shifting Transformer;
SS Substation;
WS Workstation;
TL Transmission Line;
TC Transformer of current;
TT Transformer of tension;
TPAR Three-phase Autoreclosing;
SCMS Substation Control and Monitoring System;
UPS Uninterruptible power supply;
SPAR Single-phase autoreclosing;
VIA Voltage increase Automation;
DBRS Device of backuping at the refuse switches;
ARI Automatically the repeated including;
DDT Differential defense of tires;
DDB Differential defense of bus arrangement;
ROC Regulation on current;
DD Distance defense;
MCD Maximal current defense;
AIR Air isolated switchgear;
SG switchgear;
SIAB SDC FLD FLI R.u CS BCS AEAO UAEAO AIS SON ACSEE WMEE AWM RECS LECS UPS   Spare instruments and belongings; Shield of direct current; Fixing of line disconnecting; Fixing of line including. Relative Unit Connecting switch Bus connecting switch Automatic elimination of asynchronous operation Unbalance automatic elimination of asynchronous operation Air isolated switchgear Shield of own needs Automated control system electrical equipment Wholesale Market of Electrical Energy Automation work place Regional electrical control system Local electrical control system Uninterruptable power source

 

Table of these technical devices, equipment, systems, subject delivery on substation 330 kV «Zhovtneva» in accordance with a nomenclature and amount of supplied with an equipment (see is the special technical requirements)



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