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Pole-Top Sensors Datasheet

Pole-Top Sensors Datasheet

Product catalog summary

Pole-Top Sensors Overview
The document discusses the specifications and applications of Pole-Top MV Sensors (PT/CT) designed for smart grid deployment. These sensors are part of the SATEC PM17x series and are intended for use in medium voltage (MV) grids of 15kV, 25kV, or 35kV. They are designed to replace existing pole isolators with voltage and current sensors, providing several advantages for distribution automation.

Key Features and Advantages

Compact and economical power-line sensing without the need for line cutting.
Not suitable for dead-end use but offers linear outputs up to fault levels.
Ensures accurate performance with non-hazardous voltage on output and is completely sealed against moisture.
Provides precise real-time measurements and supports DNP3.0 protocol and GPRS communication.
Includes local display, memory redundancy, waveform/PQ features, phasors, phase rotation, directional harmonics, and neutral currents.
Helps manage line losses, capacitor controls, voltage regulation, outage detection, load balance, harmonics, fault location, and power theft.

Electrical Ratings and Specifications

Insulation Class: Available for 15kV, 25kV, and 35kV networks.
Impulse (Bil): Ranges from 110kV to 200kV depending on the voltage class.
Leakage and Dry Arc Distances: Vary according to the voltage class, with specific measurements provided.
Corona (extinction) and Flashover Ratings: Detailed for both dry and wet conditions.

Signal Output and Accuracy

Current Signal Output: Ratio of 600A:10V, calibrated for a 10,000 ohm or greater load.
Voltage Signal Output: Divider ratio depends on the network, with output impedance calibrated for a 1 MΩ load.
Accuracy: Sensor native accuracy is 2% for current and 1% for voltage, with SATEC PM17x calibration achieving Class 0.5s.

Mechanical and Environmental Specifications

Insulation Class and Cantilever Strength: Consistent across all voltage classes with a strength of 2,800 lbs (1270 kg).
Weight and Shipping Weight: Varies by voltage class, with specific weights provided.
Operating Temperature: Ranges from -40°C to +65°C (-40°F to +149°F).
Conductor Diameter Range: Accommodates diameters from 0.25” to 1.25” (6.35mm to 31.75mm).
Basic Construction: Made from polysil, a high dielectric strength, anti-tracking polymer concrete.

Ordering Information

Order strings are provided for different network voltages: PTS 15 for 15kV, PTS 25 for 25kV, and PTS 35 for 35kV.

Catalog excerpts

BB0152-A2 ezPAC Brochure_Rev6.indd table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:10.00pt "Franklin Gothic Medium", sans-serif; } .font1 { font:14.00pt "Franklin Gothic Medium", sans-serif; } .font2 { font:15.00pt "Franklin Gothic Medium", sans-serif; } .font3 { font:18.00pt "Franklin Gothic Medium", sans-serif; } .font4 { font:33.00pt "Franklin Gothic Medium", sans-serif; } werful Solutions Pole-Top MV Sensors (PT/CT) For Smart Grid Deployment SATEC PM17x sries can be supplied with Line Post Sensors for replacing of existing pole isolators with voltage and current sensors for MV grids of 15kV, 25kV or 35kV. The MV Sensors are designed for Distribution Automation to provide: -» Compact, economical power-line sensing -» No line cutting -» Not for dead-end use -» Linear outputs up to fault levels -» Accurate performance -» Non-hazardous voltage on output -» Completely sealed against moisture f Sensor Monitoring Precise Real-Time measurements Provides DNP3.0 protocol GPRS Communication Local display Memory (redundancy) Waveform / PQ features Phasors & phase rotation Directional Harmonics Neutral currents Complete Total Cabinet Package Expandability elp Manage Line losses Capacitor controls Voltage regulation Outage detection Load balance Harmonics Fault location Power theft

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BB0152-A2 ezPAC Brochure_Rev6.indd table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:8.00pt "Franklin Gothic Medium", sans-serif; } .font1 { font:11.00pt "Franklin Gothic Medium", sans-serif; } .font2 { font:15.00pt "Franklin Gothic Medium", sans-serif; } .font3 { font:18.00pt "Franklin Gothic Medium", sans-serif; } werful Solutions Sensor Spcifications ELECTRICAL RATINGS Insulation Class 15kV 25kV 35kV Impulse (Bil) 110kV 150kV 200kV Leakage Distance 16.4" 24.5" 35.3" 41.6 cm 62.2 cm 89.6 cm Dry Arc Distance 8.8" 12.6" 16.3" 22.3 cm 32 cm 41.4 cm Overall Height 13.2"...

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