Electrical products company World of Electricity from Russia

 

Single Bus System Configuration

Double Bus System Configuration

 

 

2. Gas Insulated Ring Main Unit for distribution network and substation, voltage 12, 27kV

 

Typical uses - Simple outdoor substation, customer transfer substations and distribution substations Industrial plants and underground stations

 

 Comparison of dimensions :

 

Highly Reliability: At atmospheric gas pressure, it ensure the rated insulation and interruption capabilities.

Pure puffer techniques, no leakage current path between open contacts. Switchgear vessel made of stainless steel. Maintenance-free concept.  SF6 gas insulation and interruption. Sealed pressure system. Climate-independent.

Current: 200-630(1250)A.

Mechanical endurance:  5000 manual switches.

Safety: Safe-to-touch and hermetically sealed enclosure

Overpressure relief device Pad lock

Easy installation and operation

 

3. Gas Insulated Ring Main Unit for distribution network and substation with fuse protection, voltage 12, 27kV

 

Typical uses - Simple outdoor substation, customer transfer substations and distribution substations Industrial plants and underground stations

 Comparison of dimensions :

Highly Reliability: At atmospheric gas pressure, it ensure the rated insulation and interruption capabilities. Pure puffer techniques, no leakage current path between open contacts. Switchgear vessel made of stainless steel. Maintenance-free concept SF6 gas insulation and interruption. Sealed pressure system. Climate-independent.

  Current: 200-630(1250)A.

  Mechanical endurance:  5000 manual switches.

Safety

Operation interlock with manual shutter Safe-to-touch and hermetically sealed enclosure HV parts are only accessible when outgoing feeders are earthed Overpressure relief device Pad lock

Easy installation and operation.

The speed of close/open is independent of the speed of lever movement.

 

 

4. Gas Insulation Pole mounted switch and Automated circuit recloser, voltage 12-38kV

 

  Typical uses - Overhead distribution line

Feature: Counter of operation times. Front and bottom On/OFF indicator. Pressure gauge

Safety: Hermetically sealed enclosure. Overpressure relief device. Manual  locking device. Low gas pressure interlock device. Easy installation and operation.

Highly Reliability: At atmospheric gas pressure, it ensure the rated insulation and interruption capabilities. Pure puffer techniques, no leakage current path between open contacts. Switchgear vessel made of stainless steel. Double sealing techniques with EPDM rubber. Maintenance-free concept. SF6 gas insulation and interruption. Climate-independent. Simple operating mechanism.

 Current: 630A.

 Mechanical endurance:  5000 manual switches.

 Ambient temperature -25 ~ 70 °C

 

 

5. Vacuum circuit breakers and Vacuum interrupters voltage 7,2-36kV

 

Voltage: 7,2-36kV

Current: 400-3150A

Breaking capacity: 8-40kA

Types:

• Fixed
• Draw-Out Type
• Draw-Out Type F (Shutter Type, F2)
• Draw-Out Type G(h) (Shutter, Bushing  Type)
• For Outdoors

6. Protection relay

 

Common FM & DG:

• Over-Current Relay Instantaneous & Time Delay Element, OCR(50, 51)

• Ground Over-Current Relay Instantaneous & Time Delay Element, OCGR(50G, 51G)

• Directional Over-Current Relay Instantaneous & Time Delay Element, DOCR(67)

• Directional Ground Over-Current Relay Instantaneous & Time Delay Element, DOCGR(67N)

• Selective Ground Relay Definite Time Element, SGR(67G)

• Over Voltage Relay Time Delay Element, OVR(59)

• Low Voltage Relay Time Delay Element, UVR(27)

• Over Voltage Ground Relay Time Delay Element, OVGR(64G)

• Open-Phase Relay Definite Time Element, POR(47P)

• Negative-Phase Over Voltage Relay Definite Time Element, NSOVR(47N)

• Negative-Phase Over Current Relay Definite Time Element, NSOCR(46)

• Over Frequency Relay Definite Time Element, OFR(81O)

• Under Frequency Relay Definite Time Element, UFR(81U)

• Synchronization Detection, Sync(25)

• Reclosing Relay, Auto-Reclosing(79)

• Inrush Detection, Inrush Detector

Power Quality:

• Harmonic(Voltage and Current of each Phase)

• K-Factor, Crest Factor

• Sag / Swell

Communication:

• 1 Front RS232 Port(For PC HM)

2 Rear RS422/485 Ports(For DNP3.0, MODBUS RTU)

 

Measurement:

• Current(Phase, Ground, Zero Phase)

• Voltage(Phase, Phase-Phase, Ground)

• Power(Active, Reactive, Apparent)

• Electric Energy(Active, Reactive, Apparent)

• Reverse Electric Energy(Active, Reactive, Apparent)

• Power-Factor(PF)

• Frequency(Hz)

• Demand(Current, Active Power, Reactive Power, Apparent Power)

I/O Channe:

• 5 for Current Input(3 for Phase, 1 for Ground, 1 for ZCT)

• 5 for Voltage Input(3 for Phase, 1 for GPT, 1 for Bus)

• 22 for Digital Input(22 for User)

• 20 for Digital Output (2 for CB ON, 2 for CB OFF & Trip, 15 for User, 1 for System Fail)

 

 

7. Vacuum equipment: Vacuum transfer switch, Vacuum contact switch

Vacuum transfer switch

Voltage: 7,2kV

Current: 400-600A

Type: Fixed, Draw-Out

Transfer sequence:  A-B, A-N-B

Vacuum interrupter

Vacuum contact switch

Voltage: 3,3-6,6kV

Current: 200-400A

Type: Fixed, Draw-Out, PF mounted

Vacuum interrupter

Fuse protection

Optimal switching capacity for motor and condenser

 

 

8. Complex insulated tubular Busbar, voltage 36kV, current up to 9000A

 

Voltage: 0,44-35kV

Current: 1600-9000A

Breaking  capacity: 125-200кА

IP: up to IP67

Distance between poles: 275-450mm

Bending radius: 350-500mm

 

 

9. Air insulation circuit breaker (ACB), voltage 0,4kV

Voltage : 0,4kV

Current : 600-4000A

Number of poles: 3,4

Protection relay: Electronic adjustable

Breaking  capacity: 60-100kA

Type: Fixed, Draw-Out

 

 

10. Molded case circuit breaker (MCCB), voltage 0,4kV

 

Voltage: 0,4kV

Current: 1-1600A

Number of poles: 1,2,3,4

Breaking  capacity: up to 85кА

 

 

11. Miniature circuit breaker (MCB), residual circuit breaker, (RCB) residual circuit breaker with overload protection (RCBO), voltage 0,4kV

 

Voltage: 0,4kV

Current: 1-125A

Number of poles: 1,2,3,4

Breaking type: В, С, D

Breaking  capacity: 10kA

 

 

12. Auto transfer switch (ATS), voltage 0,4kV

 

Voltage: 0,4-0,6kV

Current: 100-3000A

Number of poles: 2,3,4

Endurance:

Mechanical — 50000

Electrical — 250000

Operation voltage: 110, 220V

 

 

13. Magnetic contactor (MC), Thermal overload relay (TOR), voltage 0,4kV

 

Voltage: 0,4-0,69kV

Current: 9-800А

Number of poles: 2,3

 

 

14. Copper and aluminum Busway system, voltage 0,4kV, current up to 7500A

Voltage: 1 — 24,5kV

Current : 400-7500А

BUSWAY uses very special high thermal conductivity epoxy insulation (Class F). The epoxy powder is applied by an automated fluidized bed process to ensure uniform thickness.

The uniform thickness and smooth surface provided by epoxy ensures that the insulation will have no cavities or voids and also provides excellent edge coverage to the bars.

15. Module block Speedbar for distribution panel

We offer new technology to making electrical panels with new Speedbar blocs

         Old type cabinet panel                               Speedbar cabinet panel

620017, Russia, Ekaterinburg-city, Frontovih brigad street 31, of.209

Telephone: +7 (343) 3617955, 3617925

Website: www.mirelectro.su

E-mail: mir3617955@yandex.ru