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MOSELECTRO Group of Companies

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MOSELECTRO Group of Companies:

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Primary Consumers

Electric-power networks

Construction Infrastructure, housing and utilities

Industry

Nuclear industry

Hydropower industry

Oil & Gas industry

Heat-power industry

Transport

projects projects

projects projects

projects projects

projects projects

projects

Over 2,000 completed

projects

Over 1,000 employees

Over 70 years in business MOSELECTROSHIELD

ERA Marin Engineering Center

ENERGY

SPETSENERGO

Engineering Center

ENERGY MOSELECTROSHIELD SPECENERGO

MOSELECTRO

Success Story

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70 years of progress Moscow plant “Moselectroshield” was founded

First small-sized switchgear development in the USSR

The 1000th worker of the plant was awarded the title of “Shock Worker” (73% of the total staff), including 140 efficiency specialists)

The plant manufactured 70% of packaged switchgear and 40% of busducts in the country

First switchgear manufactured for the Bolshoi Theater

Busbars manufacturing started

Production of switchgear of K-104M series was launched

Manufacture of vacuum-breaker switchgear began

SPETSENERGO Company was established

Russian Busbar Center engineering company was established and became a member of the Group

New engineering solution was developed – a small-sized recloser

Engineering Center Energy LLC joined the Group

Production of 20 kV switchgear of K-131 series commenced

Production of “would-be classic” switchgear of K-125, K-128, K-129 series commenced

Own Solutions – Key Products

6–35 kV switchgear cubicles:

● К-125 “Transformer”

● К-128 “Classic”

● К-129 “Optima”

● К-130 “Guarantor”

● К-131 “Progress”

● К-132 “Innovator”

6/10 kV reclosers with/without energy accounting meters:

● Acting as sectioning switches

● With energy accounting meters

Low-voltage package modules:

● Conventional distribution switchboards

● Protection regulating switchboards for substations (DC boards, auxiliaries boards)

● LV switchgear for unit transformer substations

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Mobile substations:

● Mobile substations 110/10(6) kV

● Mobile substations 35/10(6) kV

● Modular substations 110/10(6) kV

● Modular substations 35/10(6) kV

TENE TENP

Round enclosure

of TZKR type Rectangular

enclosure of TZPR type

Round enclosure

of TZK type Rectangular

enclosure of TZP type

ShZK-0.4 ShZK-1.2

TENP TZKR ShZK TZP

DC & AC

Busbars

Busbars

Busducts

Up to 1 kV Over 1 kV

Without interphase barriers

With interphase barriers

Phase-screened

Busbar Types

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Classification:

Busbar Application

1. Generator; 2. Turbine; 3. Phase-screened busbar of IPB type (Isolated

phase bus duct, natural cooling); 4. Auxiliary phase-screened busbar of IPB type; 5. Auxiliary transformer; 6. Auxiliary busduct of SPB (Segregated Phase

Bus Duct) round enclosure or NSPB type (Non-Segregated Phase Bus Duct, round enclosure);

7. Power step-up transformer; 8. Forced cooling system (for phase-screened busbars of IPBFC type (Isolated phase bus duct

forced cooling) only); 9. Excitation transformer with a phase-screened busbar of IPB type (Isolated phase bus duct,

natural cooling); and 10.Generator neutral grounding. 6

Busbars

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Advantages of Air-insulated Busbars

1. Simple maintenance, low operation and repair costs;

2. Long service lifetime – up to 50 years;

3. Corrosion resistance;

4. High power transfer with a current load of up to 26 kA at 35 kV with natural cooling and up to 37 kA with voltage of up to 35 kV with forced cooling;

5. High reliability. All-welded (leakproof) design;

6. Considerable reduction of phase-to-phase and three-phase short circuits for interphase barrier busbars and phase-screened busbars;

7. High electrodynamic stability;

8. Near-zero external magnetic field for phase-screened busbars;

9. Self-supporting capacity of up to 6 meters. Use of simple support structures; and

10. Full compliance with strict GOST (IEC) standards.

Busbar Specifications

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Basic Characteristics:

• Voltage 0.4-35 kV; • Rated current 1,600 to 37,000 A; • AC frequency 50/60 Hz; • Climatic version UKhL, Т and placement category 1,3 per GOST 15150 (IEC

60721-2-1); • Atmosphere type II per GOST 15150 (IEC 60721-2-1); • Seismic category II per NP 031-01 (safety class 3Н per OPB-88/97) for intensity

9 on MSK-64 scale and at elevation of up to +10 m and intensity 8 at elevation of up to +25 m;

• Operation condition group М5 per GOST 17516.1 (IEC 60721-3); and • Protection degree IP 54(55) per GOST 14254 (IEC 60529).

Busbar Design

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Design Features

• Special sections with expansion joints provide necessary thermal expansion to the busbar and the enclosure during operation;

• Flexible joints at points of connection to power equipment prevent vibration transmission and propagation;

• Design of support insulator attachment enables free access for inspection, cleaning or replacement; and

• Use of aluminum as a structural material ensures low weight of sections, which facilitates rigging operations and enables safe and quick installation.

Busbar Design

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Design Features • The design incorporates support insulators with highly

hydrophobic organic-silicon enclosures;

• Bolt joints only at points of connection to equipment. The enclosure design at connection points provides free access for inspection and checking bolt tightening;

• Contact surfaces of bolt joints have protective coating to reduce transient resistance; and

• Ease of aluminum workability enables compensation of any construction design deviations during assembly by cutting or expanding busbar and enclosure elements.

Types of Busbar Sections

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A busbar consists of sections. The product is supplied for installation fully shop-assembled with sections up to 8 meters long, which results in low installation costs.

The busbar route is divided in separate sections.

Corner section Z-shaped section (in different planes)

Straight section

Section with integrated equipment

Equipment connection section

IPB Busbars

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Technical Parameters of IPB (Isolated phase bus duct, natural cooling)

Rated voltage,

kV Rated current,

A Dynamics

current, kA

Enclosure overall

dimensions, mm

Phase-to-phase clearance, mm

TZKEP 6 2,000-4,000 128-170 361 450

TENE

10 3,150-6,300 128-250 408 500

20 1,600-12,500 300-560 550-890 1,000-1,300

24 2,000-24,000 560-750 678-1362 1,000-1,800

35 5,000 560 800 1,000

IPB busbars are designed for electrical connection of turbine generators with power step-up transformers, auxiliary transformers, converter transformers and generator thyristor excitation transformers.

NSPB and SPB Busbars

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Technical Parameters

Rated voltage, kV Rated current, A Dynamics current,

kA Enclosure overall dimensions, mm

TZK

6 1,600-3,150 81-128 550-640

10 1,600-4,000 81-170 623-706

20 2,000-3,150 128 890

TZKR

6 1,600-2,000 81 623-640

10 1,600-4,000 81-170 700-890

20 3,150-6,300 128 1,090-1,240

Round busbars with non-segregated and segregated phases

NSPB, SPB busbars are designed for electrical connections in auxiliary circuits of power stations, transformers with switchgear cabinets, as well as turbine generators with power step-up transformers.

NSPB and SPB Busbars

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Technical Parameters of NSPB and SPB (Non-Segregated and Segregated Phase Bus Duct, rectangular enclosure )

NSPB and SPB busbars are designed for electrical connections in auxiliary circuits of power stations, transformers with switchgear cabinets, as well as turbine generators with power step-up transformers.

Rated voltage, kV Rated current, A Dynamics current,

kA Enclosure overall dimensions, mm

TZP

6 1,600-3,150 81-128 800x320

10 1,600-4,000 81-170

920x380

20 1180x500

TZPR

6 1,600-3,150 81 960x320

10 1,600-4,000 81-170

1140x380

20 1500x500

Reliability Enhancement Systems

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Pressurization system creates overpressure inside the busbar by continuous dehydrated air charging.

Advantages: • Ensures relative air humidity less than 30-

40%; • Maintains busbar pressure above

atmospheric pressure by 600-1,000 Pa; • Increases the busbar protection degree up

to IP64 (IP65); and • Possible displaying of air humidity and

pressure values on the control unit panel.

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UKOI-M system solves the problem of resistance measuring of each busbar support insulator with simultaneous data display for all insulators in the form convenient to the operator.

Advantages: • On-line measuring of insulator resistance within

the range of 1 to 3,600 MΩ at operating voltage;

• Original scheme of connection to the power unit, preventing any modifications to the grounding system for busbars and switching devices and tampering with protection and other systems; and

• Data can be transferred to the automation system.

Reliability Enhancement Systems

Insulators

Insulators

Insulators

Insulators

Receiving/ transmitting module

Control module

Measuring

module (1)

Measuring module (2)

Measuring

module (3)

Measuring module

(N)

Busbar Testing

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Type tests for: • Environmental resistance per GOST 15150 (IEC 60721-2-1); • Heating under continuous operation per GOST 8024 (IEC 62271-1); • Insulation strength per GOST 1516.3 (IEC 62271-1); • Short-time withstand and peak currents to manufacturer’s specifications (IEC

62271-1); • Protection degree per GOST 14254 (IEC 60529); and • Mechanical environmental stability and seismic resistance per GOST 17516.1,

ОПБ-88/97 (IEC 60721-3, IEC 60980).

Factory acceptance tests of finished products: • External examination; • Examination for compliance with design documentation; • Insulation strength test with one-minute voltage per GOST 1516.3 (IEC 62271-

1); • Completeness check; and • Marking, preservation and packaging checks.

Integrated solutions: ● Indoor integrated transformer

substations ● Modular integrated transformer

substations 10/0.4 kV in a concrete building for 10(20)/0.4 kV.

● Sandwich-type integrated transformer substations 10(20,35)/0.4 kV.

● Outdoor switchgear 110/10(35) kV. ● Indoor switchgear for GIS 110/10(35)

kV ● Automatic voltage control station

(AVCS).

Design:

● Research and development

● Design of facilities up to 220 kV of any complexity; project management

● Process automation, introduction of energy-saving technologies

Equipment operation services:

● Installation, installation supervision

● Set-up, commissioning

● Warranty and service maintenance

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Services

● All products of the company’s plant are certified for compliance with Russian and international standards (GOST R and IEC) and safety requirements;

● Certification by OJSC “Russian Networks” (OJSC “FSK”);

● Certification by OJSC “NK ROSNEFT”, OJSC “Gazprom”, OJSC “AK Transneft”;

● License of GosAtomNadzor of Russia for design and manufacture of nuclear power station equipment;

● International Quality Certificate TUV ISO 9001: 2008 in the area of development and design for power stations, substations and industrial enterprises; and

● Other certificates, licenses and qualifications.

Licenses and Certificates

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Sales Geography

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Finland Ukraine

Belorussia Croatia

Germany

Russia Over 1,000 projects

China

Bangladesh

Kazakhstan

Uzbekistan Tajikistan

Iran

Bulgaria

Argentina

Ecuador

Electric-power industry

Shipbuilding Infrastructure and industry

Defense industry complex

Nuclear power industry

Hydropower industry

Oil & Gas Heat-power industry

www.moselectro.ru

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