Tavrida Electric Automatic Circuit Reclosers 15-27 kV
Tavrida Electric Three-Phase Recloser for Medium Voltage ( 15kV and 27kV) Systems
Key Features:
- 15kV and 27kV Medium Voltage (MV) Systems
- Up to 800A Continuous Rated Current
- X6 Voltage and X3 Current Sensors Built In - Loop Scheme Ready
- Magnetically Actuated Vacuum Interrupters
- Tested to 30,000 CO Operations at Full Load
- Maintenance free, Reliable and Light Weight
- 5-year warranty
Available Configurations:
- Three-Phase Gang Operated
- Three-Phase Independent Pole Operated
Technical Parameters
| Rated Data | Rec25_Al_SSline, Rec25_Al_HDGline | |
|---|---|---|
| Rated voltage (Ur), up to | 15.5kV | 27kV |
| Rated continuous current (Ir) | 800A1 | |
| Rated overload current (Ir) | 960A | |
| Rated power frequency withstand voltage (Ud), 1 min dry | 70kV | 70kV |
| Rated power frequency withstand voltage (Ud), 10s wet | 150kV | 150kV |
| Rated short-circuit breaking current (Isc) 16kA 12.5kA | 16kA | 12.5kA |
| Rated short-circuit making current, peak | 41.1kA | 32.5kA |
| Rated short-time withstand current, 4s (Ik) 16kA 12.5kA | 16kA | 12.5kA |
| Rated frequency | 50/60Hz | |
| Switching Performance | Rec25_Al_SSline, Rec25_Al_HDGline | |
|---|---|---|
| Operating cycles, rated current (CO cycles) | 30,000 | |
| Electrical endurance, breaking current (O-CO cycles) | 100 | |
| Closing time2 | <40ms | |
| Opening time2 | <15ms | |
| Interrupting time, for 50/60 Hz2 | <25/23 ms | |
| Rated operating sequence | Refer to control manual | |
| Standards | Rec25_Al_SSline, Rec25_Al_HDGline | |
|---|---|---|
| International Standard | IEC 62271-100, IEC 62271-111 | |
| American Standard | IEEE C37.60 | |
| Other Data | Rec25_Al_SSline, Rec25_Al_HDGline | |
|---|---|---|
| Main contact resistance (not more than) | 95µOhm | |
| Degree of protection | IP65 | |
| Weight of switching module | 176 lbs (80 kg) | |
2 Switching module closing, opening and break times excluding control module recognition time.
3 Available CT ratios: 600:1 A, 300:1 A, 150:1 A, 100:1 A, 60:1 A.
Switching Module
| Configurations |
OSM25_Al2 (100_150_5) |
OSM25_Al2 (630_150_5) |
OSM25_Al4 (5) |
OSM25_Al_5 (100.150_150_5) |
OSM25_Al_5 (600.600_150_5) |
|---|---|---|---|---|---|
| Three-Phase Gang Operated | + | + | - | + | + |
| Three-Phase Independent Pole Operated | - | - | + | - | - |
| Parameters |
OSM25_Al2 (100_150_5) |
OSM25_Al2 (630_150_5) |
OSM25_Al4 (5) |
OSM25_Al_5 (100.150_150_5) |
OSM25_Al_5 (600.600_150_5) |
|---|---|---|---|---|---|
| Rated primary current | 100 A | 600 A | 600 A | 60 / 100 / 150 / 300 | 600 |
| Rated secondary current | 1 A | ||||
| Accuracy class of protection transformers according to IEC 61869 | 5P10 | ||||
| Accuracy limit factor according to IEEE C57.13 | 20 | ||||
| Accuracy class of protection transformers according to IEEE C57.13 | C20 | C50 | C50 | C20 | C50 |
| Rated continuous thermal current | 100 A | 800 A (960 A) | 800 A (960 A) | 300 | 800 A (960 A) |
| Voltage Sensors |
OSM25_Al2 (100_150_5) |
OSM25_Al2 (630_150_5) |
OSM25_Al4 (5) |
OSM25_Al_5 (100.150_150_5) |
OSM25_Al_5 (600.600_150_5) |
|---|---|---|---|---|---|
| Voltage sensor ratio range | 0.108 - 0.123 V/kV | ||||
| Basic error of voltage measurement under normal conditions | Less than 2% or 0.1 kV | Less than 2% or 0.1 kV | Less than 2% or 0.1 kV | Less than 1% or 0.1 kV | Less than 1% or 0.1 kV |
| Temperature error for sensors in X1, X2, X3 bushings | 0,12% per 10 K | ||||
| Temperature error for sensors in X4, X5, X6 bushings | 0,4% per 10 K | ||||
Three-Phase Recloser Components
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Outdoor Switching Module
The Outdoor Switching Module is designed for use in a variety of different applications: an automatic circuit recloser, a sectionalizer on overhead distribution lines, also as an Outdoor Switching Module in distribution substation applications for voltages up to 27kV.
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Recloser Control
The Tavrida Electric recloser is compatible with SEL-651R MRI Controller. Tavrida also offers customized control cabinets.
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Umbilical Cable
A single umbilical cable, which can be provided in various lengths, connects the switching module and the control cabinet.
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Mounting Kit Option
Tavrida Electric offers an optional Stainless-Steel Pole Mounting Kit with a variety of accessories. All Tavrida Pole Mounted Reclosers are fitted with customer specific options within a single lift package.
Accessories
- NEMA 4-Hole or 2-Hole Pads with Wildlife Protection
- Surge Arrestors
- Single-Bushing Control Power Transformers
- Primary Wiring for Surge Arrestors and Transformers
- Ground Bus Assembly (single ground point for the utility)
- Fail-Safe Trip Device
- Test Switches for SEL-651R
Installation Options
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Pole-Mounted Recloser
Tavrida offers an optional Stainless Steel or Hot-Dipped Galvanized Mounting Hardware Kit. Both options come equipped with provisions for surge arrestors, control power transformers and protective grounding. Tavrida Mounting Kits are appropriate for all types of structures including wooden, concrete or metal single poles and H-pole.
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Pad-Mounted Recloser
For Tavrida’s Underground Distribution System Protection clients, Tavrida and its OEM Partners offer a Pad-Mounted Recloser. The fully customizable Tavrida enclosure provides exceptional operators safety and protection, and is resistance to harsh weather climates.
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Substation Recloser
Tavrida Electric offers a reliable and adjustable Stainless Steel Substation Mount Frame. Customers seeking out-of-the-box solutions, cost effective manufacturing and on-time project execution, Tavrida’s worldwide expertise supports its customers with a new distribution substation to retrofitting outdated substations.
Outdoor Switching Module Design
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Air insulated OSM incorporates a Tavrida Electric vacuum circuit breaker with a per phase actuator, housed in a corrosion resistant tank. Six main circuit bushings, made from UV-stable polymer, are covered with silicone rubber bushing boots. Each bushing has built-in current and voltage sensors for protection, measurement and indication purposes.
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Current and voltage sensing is installed in each of the six high voltage bushings. A variety of current transformers are available and the capacitive sensors allow voltage measurements on both sides of the interrupter.
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Tavrida Electric manufactures small vacuum interrupters with extremely long mechanical and electrical lifespans. A specially designed axial magnetic field distribution provides even current density over the contact surface and significantly improves the vacuum's interrupting performance. Carefully sel ected contact material, expert contact design and optimised switching result in bounce-free closing.
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The OSM is equipped with Tavrida Electric's innovative and much simplified vacuum circuit breaker. It uses three single-coil actuators; one per pole. All switching elements of a pole are assembled along a single axis meaning all mechanical movements are direct and linear. Three actuators are installed in a steel frame and linked by a synchronizing shaft.
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A mechanical trip hook is located at the bottom of the tank. The OSM remains locked and cannot be operated until the trip hook is pushed back into the operating position.
