power pazifik MV Switchgear Secondary Distribution Networks Fully Gas-Insulated Modular and Compact (RMU) System Up to 36 kv

Transcription

1 Manufactured by: MV Switchgear Secondary Distribution Networks Fully Gas-Insulated Modular and Compact (RMU) System Up to 36 kv BO-CGM.3/3 SMART RMU Switchgear in Metro Manila Protection and safety for people, goods and equipment against internal arc effects, proven through test performed in accordance with IEC standard. Capable of withstanding harsh environmental conditions (including flooding), long service life and absence of maintenance in live parts through full gas insulation and the use of screened connectors. Full modularity and future extensibility in both directions through the use of connecting set. Flexibility to configure all types of diagram. pazifik power Smaller size and lower weight, making handling and installation easier. Safe and simple operation through the use of user-friendly driving mechanisms, including interlocks as standard.

2 General Description Consists of a wide range of SF 6 fully insulated compact, modular cubicles enabling the configuration of any electrical diagram in Medium Voltage Secondary Distribution networks up to 36kV. This development brings a highly safe, reliable and user-friendly assembly, capable of withstanding all environmental conditions. The performance of routine test across the various phases of the assembly procedure and the use of the most innovative manufacturing techniques assure the highest level of quality, as reflected in its ISO 9001 certification. Features Protection and safety for people, goods and equipment against internal arc effects, proven through test performed in accordance with IEC standard. Capable of withstanding harsh environmental conditions (including flooding), long service life and absence of maintenance in live parts through full gas insulation and the use of screened connectors. Full modularity and future extensibility in both directions through compact connecting set. Flexibility to configure all types of diagram with the use of a connecting set. Smaller size and lower weight, making handling and installation easier. Safe and simple operation through the use of user-friendly driving mechanisms, including interlocks as standard. Extra safety: incorporation, a light voltage presence indicator; and optionally, an acoustic alarm preventing earthing. Accessories and live testing as an option. Horizontal fuse holders with front access, protected within a gas tank. Easy cable connection through front plug-in or screwable terminals. Environmentally-friendly: Use of highly recyclable materials. Minimal gas volume per functional unit. End-of-life product management. Standards IEC Common specifications for high-voltage switchgear and controlgear standards. IEC Alternating current metal-enclosed switchgear and controlgear for rated voltages above 1kV and up to and including 52kV. IEC High-voltage switches. Part 1: High voltage switches for rated voltages above 1kV and less than 52kV. IEC Alternating current disconnectors and earthing switches. IEC High voltage alternating current switch-fuse combinations. IEC High voltage alternating current circuit-breakers. IEC Electrical relays. IEC Degrees of protection provided by enclosures. IEC Voltage presence indicating systems. The Fully Gas-Insulated Modular and Compact (RMU) System meets the immersion test at 3 meters water column pressure, 24 hours at rated voltage and insulating test at power frequency.

3 Types of Modules Incoming feeder or line functional unit. Fused-protection functional unit Vacuum circuit breaker protection functional unit, with or without recloser (RAV or AV driving mechanism). Busbar switch functional unit Busbar switch with earthing unit. Metering functional unit (different configuration) Cable rising functional unit. Busbar rising functional unit. Compact cubicle with two feeder and one fused-protection functional units (RMU type). Technical Characteristics Fully Gas-Insulated Modular and Compact (RMU) System L P V(AV) V(RAV) S S-Pt M RC RB 2LP Rated Voltage (kv) 36 Rated Current (A) Busbars 400/630 Outgoing 400/ / / / / /630(L) 200(P) Short-time 16/20* 16/20* 16/20* 16/20* 16/20* 16/20* /20* 16/20* current (ka 1/3s) Insulation level: Power Frequency (kv) 70/80 70/80 70/80 70/80 70/80 70/80 70/80-70/80 70/80 Lightning 170/ / / / / / / / /195 impulse (kv) PEAK Rated-frequency (Hz) 50/60** IP rate General IP2XD Gastank and fuse holders IPX8 Physical Characteristics L P V(AV) V(RAV) S S-Pt M RC RB 2LP Height (mm) Width (mm) / Depth (mm) Weight (kg) # * (*) Test performed at 21 ka. (**) Values represented at 50Hz, for other frequencies please contact our technical-commercial Department. (#) Without relays, motor driving mechanisms and transformers.

4 Modularity. The extensible cubicles have side female bushing to connect the main busbars through this connecting set. This allows current to flow, while controlling the electric field by means of insulating elastomer layers, free of partial discharges. Thanks to the design of the connecting set, an internal equipotential area is created. Here a number of contacts are distributed in a circle for connection to the female bushings. A reliable, strong electrical continuity is therefore achieved, even when exposed to a short-circuit current. The connecting set also maintains all operational features of the cubicles. While the installation is not being extended, the extensible cubicles have removable sealing elements for the female bushings. The cubicle connecting procedure stands out for its ease and speed of on-site installation, including in Transformer Substations with uneven floors. The modularity and extensibility of the system ensure maximum flexibility to configure any kind of medium voltage electrical diagram. Applications Used for a wide variety of facilities, both public and private its main applications are: Utility transformer substations. Private transformer substations. Switching substations. Remote controlled substations. Infrastructures. Industrial facilities Wind farms. Photovoltaic facilities. Co-generation facilities etc. Public Application Private Application

5 Safety Personal, goods and equipment protection against the effects of internal arcs. Capability of withstanding harsh environmental conditions (humidity, salinity, dust, pollution, etc.) and protection against indirect contacts. The leak-proof and sealed steel gas tank, houses the breaking and switching components. IP2XD IP rating of the cubicle assembly. Voltage presence detection. An acoustic alarm preventing earthing (as an option). Front driving mechanisms that allow safe and simple operations. Horizontal fuse holders with front access, protected within a gas tank. Standard internal interlocks preventing improper operations, in accordance with IEC standard. Additional interlocks with padlock or lock, as an option. Reliability Routine and traceability factory-testing in all equipments. Interlocks between the switching and breaking components. Visual display of the position of the switchgear in the synoptic diagram, validated by the kinematic chain test in accordance with IEC High anti-corrosive levels achieved with the use of innovative materials. Maintenance-free live parts. Possibility of assembling accessories and performing test under voltage. Protection, Control and Automation Focusing on Medium Voltage, Ormazabal has a broad range of protection and automation applications and services capable of meeting the needs of any distribution network. Medium voltage cubicle-integrated units provide the idea solution for implementation in the most demanding of facilities, offering a high level of service in comparison with conventional system. Applications Protection MV Customer Supplies Protection for Switching and Private Industrial Substations Rural TS (CTR) protection Generator Set Protection Substation Protection Automation and Remote Control Remote Control Automatic Transfers Fault Detection Acoustic voltage presence alarm Secondary Switching Points Easy cable connection, with plug-in or screwed connectors. Internal Arc The cubicles are designed to protect people and goods against the effect of internal arcs, complying with the criteria of IEC standard, Appendix A: Gas tank internal arc: 16 ka 0,5 s / 20* ka 0,5s Gas tank internal arc: 16 ka 1s /20* ka1 s# IAC AFL Class: 16 ka 1 s / 20* ka 1 s# (*) Tests performed at 21 ka (#) Except for CGM.3-V with RAV mechanism.

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