Residential building with built-in office space. 27 floors. Design documentation section "Power supply system"

Contents

Contents

1 Characteristics of power supply sources with compliance with specifications for connection of the capital construction facility to public networks. Power Information for Network and Transformer Facilities

2 Substantiation of power supply scheme adopted in the design. Description of solutions for power supply of electric receivers in accordance with the established classification in operating and emergency modes

3 Information on the number of electric receivers, their installed and design power

4 Requirements for reliability of electric power supply and quality of electric power

5 Description of additional and backup power sources. List of measures for power redundancy

6 Description of design solutions for reactive power compensation, relay protection, control, automation and dispatching of the power supply system

7 List of measures to save electricity

8 List of grounding and lightning protection measures

9 Description of operating and emergency lighting system. About the Type, Class of Wires and Lighting Fixtures

9.1 Information on the type of lighting equipment to be installed

9.2 Electric Lighting Control

Appendix A Engineering Specification

Appendix B Results of calculation of single-phase DC currents

Appendix B Product Compliance Certificates

Design Input:

This section is based on:

engineering specification, refer to Appendix A;

assignments of related departments;

engineering survey materials;

In accordance with the current regulatory documents:

PUE, ed. 7, 2006. "Electrical Installation Rules";

RD 34.21.12287 "Instructions for lightning protection of buildings and

structures ";

SNiP 3.05.0685 "Electrical devices";

GOST 2111012013 "Basic Requirements for Design and Detailed Design Documentation";

RD 34.51.10190 "Instructions for selection of electrical installations insulation";

RTM 36.18.32.492 "Instructions for calculation of electrical loads";

Resolution No. 87 of February 16, 2008 on the composition of sections of design documentation and requirements to their content;

GOST 1310997 "Electrical energy. Compatibility of technical means is electromagnetic. Standards of electric energy quality in public power supply systems ";

GOST R 315652012 "Cable products. Fire safety requirements ";

MGSN 2.0199 "Energy Saving Standards for Lighting Unit Design";

RM-2559-97 "Instruction on design of electrical consumption accounting in residential and public buildings";

SP 311102003 "Design and installation of electrical installations of residential and public buildings;

SP 52.13330.2011 "Natural and artificial lighting."

Characteristics of power supply sources with compliance with specifications for connection of the capital construction facility to public networks. Power Information for Network and Transformer Facilities

This book does not consider the connection of the facility to public networks and the design of the transformer substation in accordance with the specifications. For the necessary information, see the text part of Book 3 of subsection IOS1.

Justification of the power supply scheme adopted in the design. Description of solutions for power supply of electric receivers in accordance with the established classification in operating and emergency modes

The diagram of electrical networks adopted in the design meets the requirements of electrical safety and reliability of power supply to electrical receivers of buildings and item 7 of SP 311102003. Power supply of the building is provided from AC mains 380/220V, with mains frequency 50Hz.

To ensure the conditions listed in Item 4 of the PP, the power supply scheme adopted in the design provides power supply of the residential building from two independent power sources in the operating mode, the one-line power supply scheme of the residential building is presented on sheet 1 of the graphic part.

To provide power supply to electric receivers of a residential building according to the III category of reliability of power supply in emergency mode of operation (1 operating input), the design provides for installation of a 3-position chopper in the power supply scheme for manual transfer of loads from one input to another. The chopper is installed at the entrance to the building in the introductory switchgear in the amount of 4 pcs. (hereinafter BRU No. 1, 2, 3, 4), the single-line diagrams of which are presented on the sheets of 2.... 4 of the graphic part.

To provide power supply to the electric receivers of the smoke removal system according to the I category of reliability of the power supply, according to item 7.9 of SP311102003, the design provides for the installation of the ATS with the ATS device at the building input (hereinafter VRAVR3), a single-line diagram is presented on sheet 9 of the graphic part. VRU-AVR3

To provide power supply to the remaining electric receivers of the residential building according to the I category of reliability of the power supply, according to item 7.10 of SP311102003, the project provides for the installation of independent panels with an ATS device connected after the control devices and to the protection devices in the amount of 3 pcs. (hereinafter VR- ATS 1, 2). One-line diagrams of VRAVR1, 2 are shown on sheets 7 and 8 of the graphic part.

To provide power supply to electric receivers of parking and office premises built into a residential building, according to the III category of reliability of power supply, according to the requirements of item 7.16. 16.3 SP311102003 and item 7.1 PUE, the project provides for the installation of an independent BRU No. 5, a single-line diagram is presented on the graphic part 6 sheet .

To provide power supply to electric receivers of parking and office premises built into a residential building, according to the I category of reliability of power supply, according to item 7.10 of SP311102003, the design provides for the installation of an independent panel with an ATS device connected after the control device and to the protection device (hereinafter referred to as VRAP4), a single-line diagram is presented on sheet 6 of the graphic part.

Installation of BRU No. 1.... 5 and BRU - ATS 1... 4 the design is provided in the electrical panel on the basement of the building. For the layout of the equipment in the electrical panel, see sheet 24 of the graphic part.

Distribution lines to power electric receivers (elevators, pumps, fans, air conditioners, power boards, etc.) are designed according to the radial diagram by independent lines from BRU, according to item 7.14 of item 7.21 and item 8 of SP 311102003, through control devices installed in cabinets, control boards in place:

SHU-PD1.... SHUPD8, SHU-D1..... SHUDU7, - for electrical receivers of the fire ventilation system, smoke removal and air pressure, see section IOS4;

ShchV1.1, ShchV1.2 - for conditioners and ventilation of air. The design provides for disconnection of ventilation systems in case of fire, using switching devices (KM1..... 3) installed in the electrical panel next to BRU No. 5, see diagram of the graphic part 6 sheet;

SHUL1.1.... 3 and SHUL2.1.... 3 - installed at the entry of each elevator, standard diagrams are provided by manufacturers complete with elevator units;

SHUN-1 and SHUPN1 - for fire fighting pumps and hot cold water pumps, refer to section IOS2;

SHUN-ITP - for power supply of heat pumps of central heat supply system, refer to section IOS4 ;

According to clauses 7.15, 7.21, 7.12 of SP 311102003 power supply of group floor boards (ShE with metering devices) is provided according to the main diagram by independent lines from BRU No. 1.... 4. On the inputs of the group boards in the diagrams there is an automatic device that combines the functions of control and line protection, according to item 7.20 of SP 311102003.

Power supply to the final consumers of electricity - electric receivers of apartments is provided from the panels of the apartment internal installation - SCH with metering devices installed in the corridors/halls of each apartment at a height of at least 2.2m. For plans with the location of apartment boards, see sheets 1820 of the graphic part.

Food of working and emergency lighting of ladders, entrances to the building, floor-by-floor corridors, according to item 7.12 of the joint venture 311102003 is carried out by independent lines from ВРУ№№2, 4 UO1, 2 panels respectively, single line diagrams see sheets 10, 11 of a graphic part. At the same time, the power supply of emergency lighting of the house is designed independently of the power supply of working lighting from different sections of the residential building.

Food of emergency lighting of a parking and office rooms is provided from boards of emergency lighting (ShchAO01, 02, 1.1, 1.2) according to the radial scheme by independent lines from VRUAVR4, independent of food of a working light. Schematic diagrams of emergency lighting boards shall be viewed as sheets.... 12 15 of graphic part .

For layout plans of floor boards, electric receivers control cabinets, emergency lighting boards, refer to sheets.... 17 21 of the graphic part.

Information on the number of electric receivers, their installed and design power

The consumers of electricity in the building are:

power equipment (electric motors of ventilation equipment, air conditioning and overpressure systems, electric motors of passenger elevators, power panels, etc.);

electric lighting;

fire alarm devices.

Information on the number of electric receivers, their installed and design power are given in the diagrams on the sheets.... 1 15 of the graphic part .

Calculation of electrical loads of a residential building with built-in underground parking and office premises is performed according to item 6.1..... 6.30 and tables 6.1. 6.4. 6.12. 6.13, SP 311102003. Calculation of loads at inputs to the building in working and emergency operation modes is presented on sheets 2..... 9 of the graphic part. Calculation of loads on the building on TP0.4kV tyres is performed on sheet 1 of the graphic part.

The total capacity for the object was 744.3kW.

Requirements for reliability of power supply and quality of power supply

According to the degree of reliability of the power supply, according to Table 5.1 of the SP 311102003 the residential building with electric stoves should be provided with power supply according to the II category of reliability of the power supply, and part of the electrical receivers of the residential building fire fighting devices (fire pumps, air pressure systems, smoke removal, fire alarm and fire warning), elevators, emergency lighting of the I category of reliability of the power supply.

According to item 1.1.19 of PUE, electric receivers of the first category in normal modes must be provided with electricity from two independent mutually redundant power sources, and their power supply interruption in case of power supply failure from one of the power sources can be allowed only for the time of automatic power supply recovery.

According to Item 1.1.20 of PUE, electric receivers of the second category in normal modes should be provided with electricity from two independent mutually redundant power sources. For electric receivers of the second category, in case of power supply failure from one of the power sources, power supply interruptions are allowed for the time required to switch on the backup power supply by the actions of the duty personnel or the field operational team.

According to item 1.1.21 of PUE for electric receivers of the third category, power supply can be carried out from one power source, provided that the power supply breaks necessary for repair or replacement of the damaged component of the power supply system do not exceed 1 day.

Electric power quality shall comply with the requirements of GOST 1310997 "Electrical power. Compatibility of technical means is electromagnetic. Standards of electric energy quality in general-purpose power supply systems "and item 7.23 of SP 311102003, namely:

voltage deviations from the rated voltage at the terminals of power electric receivers and the most distant electric lighting lamps shall not exceed ± 5% in normal mode;

maximum permissible in post-accident mode at the highest design loads - ± 10%. In 1250V networks (counting from a power source, for example, a step-down transformer), voltage deviations are allowed to receive up to 10%;

for a number of electric receivers (control devices, electric motors) it is allowed to reduce voltage in start-up modes within the limits regulated for these electric receivers, but not more than 15%;

taking into account regulated deviations from the nominal value, the total voltage losses from the TP 0.4kV tyres to the most remote general lighting lamp in residential and public buildings should not, as a rule, exceed 7.5%.

To ensure reliability, the section of the supply cables was selected in accordance with Item 1.3 of PUE and Item 11.6 of SP 31110200 according to the heating condition with a long-term design current in normal and post-accident mode and checked for voltage loss, compliance with the current of the selected protection device, environmental conditions. Design parameters of voltage drop, setting of protection devices actuation are given in single-line power supply diagrams on sheets 1...... 9 of graphic part.

Power supply mains of the building are designed with power cable with insulation from stitched polyethylene and branches from steel belts with copper cores of PvBbShp grade (certificate of conformity see Appendix B) laid in the ground (trench) at a depth of not less than 0.7 m from the ground planning elevation with covering with one row of brick. Cable entries to buildings are made in pipes at a depth of not less than 0.5 m and not more than 2 m from the ground surface. Piping shall be designed with a slope towards the street (Item 14.1 of SP311102003). The ends of the pipes, as well as the pipes themselves, at the points of passage through the wall should be carefully sealed to prevent the possibility of penetration of moisture and gas. Laying of mutually redundant cables according to Technical Circular No. 16/2007 dated 13.09.2007. "Roselectromontazh," the project is provided in separate trenches. Sections of the trench at the stage of design documentation, according to item 16 No. 87 of the Decree of the Government of the Russian Federation "On the composition of sections of design documentation and requirements for their content" are not required, and will be developed at the stage of performance of detailed documentation. The layout of power supply networks is shown on sheet 16 of the graphic part.

Distribution, main and group networks to electric receivers of the II category of reliability of power supply are designed by the 5th (L1... 3, PE, N) and 3 (L, PE, N) cable, which does not spread burning with copper cores of BBGng (A) -ls grade (certificate of compliance, see Appendix B), hidden in underground sections in vertical sections - hidden in floor risers (holes with dimensions of 1500x200mm ).

Distribution, trunk and group networks to electric receivers of power supply reliability category I are designed by the 5th (L1... "3, PE, N) and 3 (L, PE, N) wired power cable that does not propagate combustion with reduced smoke emission with copper cores of BBGng brand(A) frls (certificate of conformity see Annex B) laid in horizontal sections open on underground parking on trays with dividing partition and hidden - in the bar; in vertical sections - hidden in floor risers (holes with dimensions of 1500x200mm ).

For electrical routing plans, refer to sheets 17... 22 graphics.

The selected values of the outgoing line protection devices installed in the VRU are checked by the short-circuit mode, according to item 12.1 of SP 31110200, and are resistant to short-circuit current. Calculation of DC currents is made on the condition that the voltage presented to the transformer is invariably and equal to the nominal value (item 12.3 of SP 31110200) in the program "Electric 7.7." Calculation results are given in the form of table in Appendix B.

Description of additional and backup power sources. List of measures for power redundancy

Uninterruptible power supplies are used as additional power sources - storage batteries in the following networks:

fire alarm and communication power supply networks (for detailed description, refer to section IOS5) installed in UPS boards in separate rooms;

emergency lighting networks, refer to item 10.1 of this DBE.

To provide 12V UPS power supply, design power supply diagrams provide YATP220/12V installation near UPS boards.

Description of design solutions for reactive power compensation, relay protection, control, automation and dispatching of the power supply system

According to paragraphs 6.33 and 6.34 of SP311102003 for consumers of residential and public buildings, reactive load compensation is not required.

The design specification does not provide for the development of ACDS, ACDS and ASKUE systems of a residential building.

List of energy saving measures

This section provides for the following energy efficiency measures:

The equipment used to illuminate the premises complies with the requirements of Federal Law No. 261B3 of November 23, 2009. "On energy saving and on improving energy efficiency and on amending certain legislative acts of the Russian Federation" - the project provides for the use of energy-saving lamps with LED lamps;

the optimal electric lighting control system has been adopted;

cables with copper cores are used to reduce voltage and power losses.

List of grounding and lightning protection measures

In the building, according to PUE, the TNCS system with a de-grounded neutral is adopted.

To protect people from electric shock in case of insulation damage, the design provides for a device for taking metal parts of electrical and technological equipment that are not normally energized by connecting to the main grounding bus (hereinafter referred to as GZSH) installed next to the BRU in the electrical panel room on the ground floor of the building. The following are used as busy conductors:

specially designed conductors for this purpose;

metal structures of the building (trusses, columns, etc.);

reinforcement of reinforced concrete building structures and foundations;

metal structures of production purpose (frames of switchgears, trays and wiring boxes, etc.).

All metal non-current-carrying parts of electrical equipment (shield frames, starting equipment, motor housings, steel wiring pipes, etc.) shall be grounded.

At the input to the structure, a potential equalization system is provided by combining the following conductive parts:

main (main) protective conductor;

main (main) grounding conductor or main grounding clamp;

steel pipes of communications of the building and between buildings;

metal parts of building structures, lightning protection, central heating and ventilation systems.

PE bus in BRU is used as main grounding buses.

In order to equalize the potential in the rooms: electrical switchboard, machine rooms, the loop is designed. It consists of 4x40mm strip steel laid open, along the perimeter of the premises at a height of 0.4m from the level of the clean floor, connected to the GZSH in the electrical panel and using a flexible wire PuV with a section of at least 1x16mm - in the elevator machine rooms.

The design provides for re-grounding by connecting the electrical panel circuit to the external grounding circuit. It consists of electrodes B16 with length of at least 2.5 m, which are screwed into the ground to a depth of 0.7 m from the ground surface and connected to each other by strip steel 40x5 mm. All joints are welded. Resistance of grounding devices of electrical equipment 0.4kV and higher at any time of the year shall not exceed 4 ohms.

Housing of distribution panels and shields in electric board are connected to the busbar by means of flexible wire PuV with section not less than 1x16mm.

As grounding conductors, additional (PE) conductors (3rd and 5th cable cores) are provided, laid from the electrical board to distribution cabinets and electric receivers.

To protect people from direct contact in AC electrical installations, the design provides for a protective disconnection with a nominal disconnecting differential current of no more than 30 mA in the lines supplying plug sockets for connecting process equipment - RCD. RRS are installed in group and floor boards, and are a single device with a circuit breaker, providing protection against overcurrent (item 7.1.76 of PUE).

The project provides for lightning protection of the building according to level III from PIP. In accordance with the requirements of CO 15334.21.1222003 on the roof of the building, a lightning screen is designed, which is laid under the layer of waterproofing on the roof of the building, see section AP. Grid spacing is not more than 10x10m. The grid is made of steel wire with a diameter of 8 mm. Lightning rods are connected to the lightning protection center laid along the perimeter of the building at a depth of not less than 0.5 m from the planning mark, which is connected to the external repeated grounding loop of the electrical panel and the territory fence. The contour is made of steel strip 40x5mm .

Connection and connections of potential equalization conductors shall be made according to PUE, publication 7, item 1.7, item 1.7.391.7.44.

For the grounding and lightning protection plan of the building, refer to sheet 23 of the graphic part.

The development of floor plans for group power supply networks of household sockets at the stage of design documentation, according to item 16 No. 87, the Decree of the Government of the Russian Federation "On the composition of sections of design documentation and requirements for their content" is not required, and will be developed at the stage of performance of detailed documentation.

Description of the operating and emergency lighting system. About the Type, Class of Wires and Lighting Fixtures

About the Type of Lighting Equipment to Install

Internal lighting of the building is performed in accordance with the requirements of SP.52.13330.2011 and SP 311102003.

The building provides for the following types of artificial lighting: working, emergency (safety and evacuation), repair and duty.

For working lighting of office premises, energy-saving lamps with opal diffuser from PMMA of WAVE ECO LED 3M type, SMD light-emitting diodes type, 32W light-emitting diode power, cosf ≥ 0.93, with protection degree - IP20 are used. Number, place of lighting fixtures installation are selected based on required illumination of premises 300Lk - offices, 80100Lk - utility rooms, according to Appendix to SP 52.13330.2011)

For working lighting san. assemblies, tambours, utility rooms, electrical panel - overhead energy-saving lamps with opal diffuser from PMMA of RKL LED 29 type, SMD light-emitting diodes type, 27W light-emitting diode power, cosf ≥ 0.96, with the degree of protection corresponding to the class of rooms - IP40. The number, place of installation of lamps are selected based on the required illumination of the premises 50Lk - san. units and vestibules, as per Appendix to SP 52.13330.2011.

For working lighting of staircases - overhead energy-saving lamps with a diffuser made of matte anti-shock polycarbonate type TITAN 16 LED OPL, type of light emitting diodes SMD, power of light fixture 16W, cosf ≥ 0.96, with the degree of protection corresponding to the class of premises - IP65, with built-in motion sensors. Number, place of installation of lamps are selected based on required illumination of 50Lk rooms, according to Appendix K of SP 52.13330.2011.

For lighting of technical (pump rooms, ventilation chambers, etc.) and machine rooms - overhead, energy-saving lamps with opal diffuser made of polycarbonate, type ARCTIC M LED 600 TH, type of light emitting diodes SMD, power of light fixture 16W, cosf ≥ 0.9, with degree of protection - IP65 are used. Number, place of installation of lamps are selected based on required illumination of 50Lk rooms, according to Appendix K of SP 52.13330.2011.

For on-duty lighting of the building entrances - overhead lamps with a diffuser from PMMA, type MD 160, with a gas discharge lamp E27, power 60V, with a degree of protection corresponding to the class of premises - IP65 are used. Number, place of installation of lamps are selected based on the required illumination of rooms 10Lk, according to Appendix K of SP 52.13330.2011.

Emergency lighting (safety lighting and evacuation lighting) in office premises and underground parking is provided according to item 4 of SP31-110-2003:

in the technical rooms of the pump and heat station;

in the electrical panel;

in passage corridors along the evacuation route (parking and office premises on the 1st floor);

in staircases;

in control rooms and security rooms;

For emergency lighting, the design provides for the use of the same type of lamps with working lighting with built-in storage batteries (independent UPS), automatically switched on in case of power failure and marked with a specially applied letter "A" in red, according to item 7.113 of SP 52.13330.2011.

On the escape routes above each evacuation exit, section IOS9 provides for the installation of safety signs with the inscription "Exit" and indication of the direction of movement. Illumination of emergency lighting devices is not less than 15% of illumination of working lighting.

YATP220/24V installation is provided for repair lighting of electrical panel, ventilation chambers, heat station, fire fighting pump rooms.

Electric Lighting Control

Control of safe lighting of the electrical panel and engine room is designed locally - with switches, public corridors and staircases - automatically using motion sensors.

Control of working lighting of office office, technical, utility rooms, tambours, hallways of corridors, etc. - local is provided using switches installed in these rooms at a height of at least 0.9 m from the level of clean floor.

Control of working lighting of wet rooms (sanitary units) is provided locally using switches installed outside these rooms at a height of not less than 0.9 m from the level of clean floor.

Control of staircases lighting - is provided remotely with the help of circuit breakers installed in the SW, and also automatically with the help of mini-motion sensors built into the lamps.

Control of duty lighting at the building entrances is provided automatically with the help of programmable controllers according to the program at darkness and shutdown at dawn, installed in the supply lines of the corresponding devices together with protection devices - in the shields of the SW.

Control of emergency lighting of parking and office premises - remote control is provided with the help of circuit breakers installed in emergency lighting boards of CAC.