Requirements to draft technical project of electrical part of the producer 1. Requirements to draft technical project Technical project about the electrical part of the connecting power station which must be composed according to the requirements presented in the current document will be delivered to the network operator for approval. Project of Electrical part must be delivered before the construction of the electrical installation and at least 3 months before energizing the connection point. The decision regarding approval will be informed by the transmission system operator during 30 days after the project was delivered to the network operator. The content of the technical project is described in section 4 of the current document „Instructions to draft technical project“. In agreement with the TSO, technical project could be delivered for revision in sections. All sections are subject to the same requirements as the technical project in general. It is not allowed to divide the technical project into smaller sections than the subsections described in the instructions to draft technical project. In case of dividing the technical project into sections, the Client is required to hold summary schedule of delivery of the technical project where the delivery of each section with the delivery date will be marked. While delivering the project in sections it is necessary to consider the integrity of the whole technical project (headings, numeration, corner letters of drawings). The Client is also obliged to deliver a complete technical project. Individual sections of the project must be labeled according to their comprise in the project. Updated sections must be labeled so that it is clearly understandable which section they substitute. Client is obligated to implement corrections into technical project within 30 days since receiving the remarks made by transmission system operator. Updated technical project is then to be redelivered for revision to the transmission system operator. 2. Calculations Calculations of the earthing network must be presented in case the earthing loop of the electrical installations of the Client is electrically connected to the earthing loop of substation or of the line belonging to the transmission system operator. Specifications and schematics of the selected devices as well as of the associated devices, their qualifying requirements, relevant standards and requirements specified in the current document must be taken into consideration in calculations. 3. Figures, schematics, tables IEC standards must be taken into account while choosing drawing methods and symbols in schematics. Drawing methods and symbols in schematics must correspond to IEC standards. Units of measure must be in SI-system. (International System of Units) Numeration and labeling of schematics and drawings must be logical and unambiguous throughout the entire document. Primary schematics and (schematics of protection placement) protection equipment layout drawings should be presented in single-line diagram. Label data of all communication devices and instrument transformers must be presented. 3.1 Layout drawing Following layout drawings must be composed for substation: layout of all equipment and buildings in substation (whole territory of substation) layout drawing (ground plan and cross-section) of 110 kV–330 kV switchgear equipment of the client, where the interdevice connections and overall dimensions are indicated. longitudinal profiles of overhead line lead-in between terminal tower and portal support drawing of cable line inlet and connection to the connection point, where the cross-sections of the cable line location are indicated. All devices on drawings must be labeled. 3.2 Relay protection settings of generators, connection transformers and/or –lines Client is obliged to deliver relay protection settings of all electrical installations from generator up to the connection point. 4. Instructions to draft technical project Client is obliged to describe implementation of technical solutions stated in the supply service agreement by the transmission system operator. Client is obliged to draft technical project which consists of the following sections: 4.1. Requirements to draft primary part of the technical project Primary part of the technical project must include: General sections – short description; Rated values, climatic conditions for the following electrical installations; o Electric power plant(s) o Linking(s) to the connection points o Standby supply connections o Substation(s) Primary schematics up to connection point (Single line diagram); In case of wind power station connected to the distribution network, primary schematics from connection point up to electrically connected substations of the transmission system operator, including standby supply connections, is required; Location diagrams; General plans of substation, layout drawings – connection point only; Earthing loop calculations, including step voltage and contact voltage calculations (in case the earthing loop of the electrical installations of the Client is electrically connected to the earthing loop of substation or of line belonging to the transmission system operator); 110 – 330 kV cable pipe system scheme, layout drawing 110 – 330 kV overhead line drawings, layout drawing o rated voltage o line length o locations of the towers and all parallel lines within 100 meters of the line are required to be displayed schematically; o longitudinal profile including crossings with other structures; o tower types (including schematics); o conductor (and/or cable) and shield conductor type and electrical parameters. Lighting protection – specification and layout of protection zones; 110 or 330 kV circuit breaker nameplates; 110 or 330 kV disconnector nameplates; 110 or 330 kV current transformer nameplates; 110 or 330 kV voltage transformer nameplates; 110 or 330 kV power transformer nameplates o Parameters and characteristics of the transformer and manufacturer; o Type of the transformer o Rated voltages of the windings, control range of the voltages o Rated power of the windings; o Transformer vector group; o Short circuit impedance(s); o Zero sequence impedance(s). Final data of the electrical power plant o According to connection agreement o Type test reports o Reports of tests made on location (delivered within 6 months from energizing) o Description of central control system of the power station o Model (planned parameter) including descriptions and block diagrams of control and automation of the power plant (incl PSS/E and PSCAD models in electronic form), verified models (incl PSS/E model in electronic form) delivered within 6 months since syncronising. Descriptions of functions along with settings o Primary control o Secondary control (active power control via telecontrol within predetermined speed and range) o Active power control o Exciter*, reactive power control, voltage automatic control with reference to connection point o Stabilizer* (PSS) Report on cooperation imitation of electrical power network and electrical power plant o Applicant is required to deliver a report of the results of computer simulation of cooperation of electrical power network and power station in transient and steady-state operation. *– in case of synchronous generators operating synchronously with the network. 4.3. Requirements to draft the secondary section of the technical project Secondary section of the technical project must contain the description and overview of the secondary system, schematics, RTU data, including transmitted signals, measuring and controls. For every 110-330 kV feeder, schematics explaining secondary circuits must be delivered, irrespective of identical connections. All schematics must be unambiguously explicable. Secondary section of the project must contain at least the following subjects: 1. General – short description; 2. Primary circuit; 3. Secondary circuits: Current and voltage circuits, ratios; Protection, control, measuring, alarm and pilot circuits; Placement of equipment and connections in circuits so that interapparatus connections and functions are coherently visible; type of protection relay and automation must be indicated next to the name of the device; Block diagram of control interblocking logic in case the transformer of the client is connected to the substation of the transmission system operator; Fundamental parameters, markings and manufacturers of the devices must be indicated on the schematics; All protection settings of all electrical installations from generator up to the connection point. 4. RTU drawings, schematics and tables Client is obliged to deliver telematics block diagram of RTU wherein types of communication, rates, types, protocols and tables of signals of RTU and of devices connected directly or indirectly to RTU are indicated. The names of signals, values, data types, priorities, references, IEC addresses, groupings etc., must all correspond to the requirements revised previously by the transmission system operator (volume of data, controls, measuring, signals). 5. Documents Documentation must be delivered on paper and on CD, primary and secondary parts of the sections of the client and of the transmission system operator binded in separate volumes. Only one-sided printing is permitted. Single-line diagrams must be at least in the A3 format. Digitally delivered documents must be in the following formats: Text documents – Microsoft Word *.doc format Tables – Microsoft Excel *.xls format Drawings, schematics - *.dwg or *.pdf format Data volume table – Microsoft Excel 2000 *.xls format PSS/E model in version 31 *.dyr format and PSCAD model *.psl and *.psc (pslx and pscx) format. Transmission system operator must have the possibility to copy and print the electronic documents. The name of the electronically delivered file must contain the same notation used in corner letters in the heading of the document. Electronically delivered document must be categorized in accordance with topics, bays, equipment, voltages, etc., into directories corresponding to the copies presented on paper. All drawings, schematics, signal lists etc., must be equipped with corner letters indicating the name of the Client, name of the project, name of the engineer/designer, name of the transmission system operator, date, etc. During any latter changes of the project, the date of change and version must be added to the drawings.