Measurement system

MRG | SMART

In the new plant implementation, Marangoni heavily invested in the SMART GRID sector, electric smart grids, manufacturing the Measurement System that enables the energy supplier to monitor, measure and control difficult-to-reach costumer. This type of equipment can also be applied to the Free Energy Market investors costumers, allowing flexibility of installation and measurement.

The Marangoni Measurement System consists of 3 transformers sets (PT’s + CT’s), with Medium Voltage application. It has remote reading and billing, through plug-in type, an advanced telemetry system. This way, the energy provider has complete control over the equipment, avoiding possibilities of fraud and misuse of the networks which are responsible for large financial losses.

Applying a new concept in the market, MARANGONI comes with an innovation: the measurement system with the possibility of the PTs and CTs exchange / replacement, without need of shipping to the factory. The exchange or maintenance can be carried out in the field or in the energy supplier, providing more flexible maintenance, reduction time losses for exchanges and the need of a large number of equipment in stock, generating cost reduction.

For the 2018 first quarter, another new feature of the new measurement system will be the possibility of including at medium voltage circuit breaker with vacuum ampoules, thus obtaining a turn-off and turn-on option, where it will give to the energy supplier the possibility to turn-off and re-connect the consumer in a remote way without the need of a technical team or a live line, where once again, labor savings and safe operation will be generated.

A perfect technologic innovation to management of recipes and security in operation.

The measurement system are supplied in voltage classes: 15kV, 25kV e 36,2kV

 

MRG WATCHER MRG SMART
15kV 25kV 36kV 15kV
Inductive Potential transformer technical features Primary nominal voltage 13800 / R3 V 23800 / R3 V 34500 / R3 V 13800 / R3 V
Secundary nominal voltage 115 ou 115 / R3 V 115 ou 115 / R3 V 115 ou 115 / R3 V 115 ou 115 / R3 V
Connection group 2 (fase – terra) 2 (fase – terra) 2 (fase – terra) 2 (fase – terra)
Thermal power 500 VA 500 VA 500 VA 500 VA
Accuracy class 0,2P12,5 / 0,3P50 0,2P12,5 / 0,3P75 0,2P12,5 / 0,3P75 0,2P12,5 / 0,3P50
Fst. Continuo 1,2 1,2 1,2 1,2
Technical standards ABNT 6855 ABNT 6855
Insulation medium Cycloaliphatic epoxy resin Cycloaliphatic epoxy resin
Current transformer technical features Primary current (min.) 5A 5A 5A 5A
Primary current (max.) 600 A 600 A 600 A 400 A
Secundary current 5A 5A 5A 5A
Accuracy class 0,2C5,0 / 0,3C12,5 0,2C5,0 / 0,3C12,5 0,2C5,0 / 0,3C12,5 0,2C5,0 / 0,3C12,5
Thermal current / Dynamic current (40 / 100) x In (40 / 100) x In (40 / 100) x In (40 / 100) x In
Thermal factor 1,5 1,5 1,5 1,5
Technical standards ABNT 6856 ABNT 6856
Insulation medium Cycloaliphatic epoxy resin Cycloaliphatic epoxy resin
Telemetry System Eletric power meter Yes Yes Yes Yes
GPRS Communication system Yes Yes Yes Yes
Bluetooth Yes Yes Yes Yes
Remote display Yes Yes Yes Yes
System technical features Isolation level 34 / 110 / – kV 50 / 150 / – kV 70 / 200 / – kV 34 / 110 / – kV
Frequency 60 Hz 60 Hz 60 Hz 60 Hz
Partial discharge ≤ 50 pC ≤ 50 pC ≤ 50 pC ≤ 50 pC
Accuracy class with electronic measurement 0,50% 0,50% 0,50% 0,50%
Elements number 03(03 PT’s e 03 CT’s) 03(03 PT’s e 03 CT’s) 03(03 PT’s e 03 CT’s) 03(03 PT’s e 03 CT’s)
Cut-off system | Automatic turn on No No No Yes
03 vacuum ampoule – 400A – 16kA No No No Yes
Polymeric lightning rod Yes Yes Yes Yes
Fixing strap on pole Yes Yes Yes Yes
Insulation medium Cycloaliphatic epoxy resin for external use Cycloaliphatic epoxy resin for external use
Technical standards ABNT 6855, 6856 e portaria 159 – INMETRO ABNT 6855, 6856 e portaria 159 – INMETRO
Approximate weight 180 kg 240 kg 320 kg 200 kg
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