solutions for fault detection and damaged section

SOLUTIONS FOR FAULT DETECTION AND D A M A G E D S E C T I O N I S L A N D I N G FOR 6-110 kV CABLE AND OVERHEAD LINES

Ready solution for creation of intelligent and observable power grids

Advantages: Continuous monitoring of overhead and cable lines Automatic control system for instantaneous disconnection of damaged sections and restoration of power to undamaged sections (for OHL) Reduced number of emergencies; safety of human lives Increasing the grid's digitalisation and operation

KOMORSAN system is a modern, multi-level hardware and software system that combines grid monitoring, control and management functions. The system ensures that every transformer and distribution substation in the grid, as well as line nodes, is monitored.

KOMORSAN is an additive and scalable SCADA system allowing to expand functionality with the expansion of the hardware infrasturecture and necessities. This allows you optimizing the financial investment through the gradual development of the system.

Possibilities of KOMORSAN complex solution:

Maximum facilitation of the dispatcher's work; Control of damaged section by using disconnectors, reclosers and sectionalizers; Display of current state of the grid on a geographical map with the identification of damaged sections;

SMS and E-mail fault notification to the maintenance team; Displaying of oscillograms and vector diagrams for events.

KOMORSAN POWER GRID MONITORING

AND CONTROL SYSTEM

Record all types of faults: phase-to-ground (PtG), phase-to-phase (PtP);

Function of current threshold auto-tuning;

Detect the direction of fault current flow;

Do not require upgrades of infrastructure equipment;

Work on lines of any topology and of any type of neutral grounding;

Allow rapid transfer of emergency information to the control room.

Fault passage indicators (FPI) – indicators for determination of damaged section of 6-110 kV lines for installation on each phase of the conductor:

Lodestar CLxx MASTER (for 6-35kV)

The kit consists of three devices: Lodestar CLxx Master (1 item) and Lodestar CLxx-S (2 items). Master communicates using GSM channel of the mobile operator's cellular network.

Lodestar CLxx-Master has a short-range radio channel and GSM data transmission channel, allowing information to be transmitted to SCADA (via KOMORSAN).

Installation on overhead line

INDICATORS OF FAULT LOCATION AND FAULT DIRECTION LODESTAR CLxx SERIES

Advantages: Quick detection of the damaged area Reduced fault location time Increased grid's accuracy and reliability Improved SAIDI and SAIFI

Advantages: Does not require a separate communication equipment to transmit the data via GSM

Usability and simplicity of use Optimal price

New product line

Technical specifications of Lodestar CLxx Master

Model name Lodestar CL25В Master Lodestar CL0.5 Master

Types registered events

Types of registered events PtP, PtG

Short circuit current sensitivity

25 А 0,5 A

Automatic fault current threshold adjustment +

Short circuit current sensitivity

- +

PtG selectivity - +

Voltage monitoring +

General descriptions of the devices

Overhead line voltage range

6-35 kV

Grid's frequency 50/60 Hz

Visual indication Blinking ultra-bright LEDs Detection range up to 100 m (during the day), up to 500 m (at night) A set of sequences, depending on the capability of the model

Remote control (for field config)

Bluetooth BLE (2,4 GHz)

Remote communication Lodestar CLXX-Master is equipped with a GSM channel, for transmitting information from the indicators to the data collection server

Settings changing On the short-range radio channel using a portable remote control Remotely using the "KOMORSAN Web client" software

SMS sending +

GPS reading +

Integration with SCADA

systemsBuilt-in GSM modem (for Lodestar Master FPI)

Battery life(in standby

mode) 8-10 years

Total indication time > 2000 h

Temperature range operating: from – 40°С to +75°С, extreme: from – 60°С to +85°С

Protection degree IP68 according IEC

FAULT PASSAGE INDICATORS (FPIs)

LODESTAR CLxx FOR 6-35 kV MV LINES

Advantages: Visual and remote signaling about damaged sections of the line Data integration into any SCADA system Enhanced resistance to radio interferences On-load conductor mounted (no power shutdown)

The top model of the fault passage indicator Lodestar CL0.5 determines the direction of the fault's current flow, showing to power engineers which direction to move along the line.

This FPI allows the transmission of currents and oscillograms which help power engineers to restore in detail the events that occurred on the line.

Lodestar CL2 indicators perform synchronous vector voltage measurements in three phases and record all types of faults.

Lodestar CL4 indicators performs independent voltage measurements and differentiate the types of faults by different ways sequence of light indications, showin fault information: stable/transient, PtP/PtG.

On request these FPI models can be equipped with a light indication and a mechanical blinker.

Lodestar CL25B - is a basic model of fault passage indicators, optimal to use when fault currents in the line exceed 20 A.

All models have been successfully tested for a current surge up to 50 kA, so they are guaranteed to withstand a lightning strike near the place where the indicators are installed.

Technical specifications of the fault indicators Lodestar CLxx

Types of modifications/

characteristics Lodestar CL25B Lodestar CL4 Lodestar CL2 Lodestar CL0,5

Events registering

Types of registered events PtP

PtG

PtP

PtG

PtP current sensitivity25 А 20 А

PtG current sensitivity– 4 А 2 А 0,5 А

Automatic adjustment of

the current threshold PtP +

PtG selectivity–

Determining thedirection


General descriptions of the devices

Overhead line voltage

range6-35 kV

Grid's frequency 50 /60 Hz 50 /60 Hz

Visual indication Blinking ultra-bright LEDs.

Up to 100 m (during the day), up to 500 m (at night)

A set of sequences, depending on the capability of the model

Remote control (for field

config)

Bluetooth BLE (2,4 GHz)

Remote communication Optional GSM (using Combox)


systems

While connecting the indicators to the Lightbox, information is exchanged

between the KOMORSAN server and the SCADA system via the IEC-104

protocol

While connecting the indicators to the Smartbox, it directly exchanges

information with the SCADA system via the IEC-104 protocol

Battery life(in standby

mode)8-10 years

Total indication time> 2000 h

Installation SiteOHL conductor mounted

On-load instalation+

Temperature range operating: from – 40 С° to +75 С°, extreme: from – 60 С° to +85 С°

Protection degreeIP 68 according to the IEC 60529

The fault indicators for high-voltage lines are designed to solve problems of the line maintenance.

Lodestar HV the first model of the line has only a visual indication, convenient for placement in a well-viewed area, for example, at the entrance of OHL to a substation.

Lodestar HV DD model not only detects the presence of a fault event on the overhead line, but also determines the direction of fault currents. It is very convenient to use at borders of operational responsibility, state borders, and passing through water barriers.

Lodestar HV B and Lodestar HV DD indicators are equipped with a short-range radio channel of the BLE standard, which allows you to easily configure and customize the settings from any smartphone using Lodestar APP software.

FAULT PASSAGE INDICATORS

FOR HV TRANSMISSION LINES (110kV)

Advantages: Determining the borders of operational responsibility Detection of faults on the branches of OHL Versatility, easy to put new equipment into operation

Lodestar CL HV set installation

min 50 cm

Specifications Lodestar HV Lodestar HV DD

Overhead line voltage class110 kV

Grid's frequency 50 Hz

Visual indication Ultra-bright LEDs

Detection range up to 100 m (during the day), up to 500 m (at night)

Absolute current response

threshold

25 А20 А

PtG selectivity- Determining the direction


Remote control (for field

config) –Bluetooth BLE (2,4 GHz)

Types of operation control Visual Visual

Short-range radio channel

GSM/GPRS-modem (optional)

Technical specifications of the fault indicators for high-voltage transmission lines

Blanking of inrush currents100 ms, off 0-200 ms

Setting the Reset Timer 6, 12, 24, 48 hours Configurable from 1 h to 8 days

Minimum duration of the

emergency process 0,02 s

Resetting the indication On restoring power

By timer

By a magnet

On restoring power

By timer

By a magnet

From a portable remote control

Changing Settings 10 DIP switches On the short-range radio channel using a

portable remote control

Using KOMORSAN software or SCADA (while

indicators connected to Lightbox)


systems-

While connecting the indicators to the Lightbox,

information is exchanged between the

KOMORSAN server and the SCADA system via the

IEC-104 protocol

Power supply Lithium battery (19 Ah)

Battery life(in standby mode)8-10 years

Total indication time > 2000 h

Time to failure of the indicator

Not less than 60 000 h

For substation installation

Advantages: Accuracy of recording emergency events Displaying the current grid parameters in online mode Integration into the complex control systems (automation system, SCADA,

energy control system)

Devices of the Lodestar FM series combine the functions of selective detection of line damage in grids of any topology and type of neutral and measurement of the main parameters of the electrical grid. The devices can operate without reconfiguration with automatic or manual power restoration. The devices are mounted into the switchgear compartment of the control panel.

Types of recorded faults All types of faults

Determining the directions of PtG Yes

Determining the fault site With an accuracy of ±150 m

Selectivity PtG, PtP

Current response threshold PtG from 0,5 А

Current response threshold PtP from 10 А

Visual indication of the fault LCD display, LED indication

Communication interface RS-485, Ethernet

External measuring sensor Rogovsky coil (3 pcs.) Standard / capacitive divider

POWER GRID MONITORS AND SYSTEMS FOR DETECTION OF THE FAULT LOCATION

Lodestar FM-FL









Lodestar FM-CS2

Lodestar FM-CS2













Current response threshold PtP from 0,1 А


Communication interface RS-485

External measuring sensor standard current transformer standard / capacitive divider

Types of recorded faults Identification of 2-phase and 3-phase faults Identification 2-phase and 3-phase ground faults

Identification of single-phase PtG

Current response threshold PtG from 5 А


Visual indication of the fault LED indication

Communication interface RS-485

External measuring sensor Rogovsky coil (3 pcs.)

Types of recorded faults dentification of single-phase PtG

Current response threshold PtG from 10 А

Visual indication of the fault LED indication, blinker

Communication interface No

External measuring sensor Rogovsky coil (1 pcs.)

Lodestar FM-CS

Lodestar FM

Lodestar Pt3

Lodestar Pt2

Lodestar FM-CS

Lodestar FM

Reliability and safety of elect

Advanteges: Selective detection of all types of faults Automatic partitioning of the damaged area during the non-current pause of the ACRs cycle Creating a visible break in the chain

he IDD intelligent three-pole disconnector is designed for the operational remote partitioning of 6-10 kV overhead power lines and the identification of stable and transient fault current flows, including all types of earth faults.

Functional features:

determination of the direction of the PtG fault (Lodestar CL0.5 model); blocking the disconnector control in the presence of voltage and/or current; remote control of grid sections; integration into the user's SCADA system; battery life – 24 hours (at least 50 cycles of switching on/off the disconnector); power-on lock when the earthing switch is on.

Technical specifications:

Parameters Value

Rated voltage (U) 10 kV

Maximum operating voltage (U)) 12 kV

Rated current (I) 400 A/630 А

Rated short-term sustained current (thermal resistance) (I tr.)

10 kA when the action time for the main knives is within 3 sec.

The highest peak of the rated short-term current (electrodynamic resistance) (I ed.)

25 kA

Integration with SCADA systems connection to SCADA system via the IEC-104protocol

Remote communication GSM/GPRS modem

Remote control (for field config) Bluetooth BLE (2,4 GHz)

Temperature range operating from – 40°С to +60°С

IDD - INTELLIGENT DISCONNECTOR

solutions for fault detection and damaged section

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