Basler BE1-11f Feedline Integrated Protection Device Manual

Basler BE1-11f Feedline Integrated Protection Device Manual

Whole machine hardware and human-machine interface (HMI)

1. Front panel composition

Backlit LCD (64 × 128 dot matrix), four-way navigation key, Edit key, Reset key; Front USB debugging port;

LED indicator lights: power supply, device failure, light alarm, heavy alarm, trip, programmable status lights (J-type additional 7 custom indicator lights);

Panel operation graded password: Level 6 access permission (read-only/control/operator/setting/design/administrator), supports password locking, incorrect login locking, and automatic read-only exit after operation timeout.

2 Menu Structure

The panel is divided into two main sections: the metering menu (real-time quantity, status, fault, waveform recording, power, power quality) and the settings menu (protection, logic, communication, system parameters), which can be used to set screen scrolling, sleep backlight, and reverse color display.

3 Input/Output Hardware Resources

(1) Switch input (passive dry contact)

Input supports 24/48/125V control voltage, onboard jumper switches high and low recognition threshold; 4ms recognition+16ms anti shake filtering; Each channel can customize power on/off text labels and upload event records.

(2) Relay output

Universal normally open contact+1 fault normally closed alarm OUTA; Output supports 200ms to maintain anti contact erosion; The software can force setting/pulse output for circuit testing.

(3) Simulated acquisition circuit

Dual group CT circuit (CT1/CT2), three-phase voltage VT (Va/Vb/Vc), auxiliary Vx open delta 3V0 zero sequence voltage; Supports 1A/5A CT, single-phase/three-phase three wire/four wire VT wiring; Can collect positive sequence V1, negative sequence V2, zero sequence 3V0, frequency, active and reactive power.

4 Expansion options: RTD remote temperature measurement module

Through RS485/Ethernet external connection, up to 24 RTD thermal resistors and 8 4-20mA analog signals can be connected. The device has built-in 49RTD temperature protection and analog signal over limit protection.

Detailed explanation of the functions of the complete set of protective components (core protection logic)

1. Synchronous inspection 25 (simultaneous closing and locking)

Used for grid connection of power lines/distributed sources, and only allows closing after verifying three conditions: phase difference, slip frequency, and voltage difference;

25VM voltage monitoring: Distinguish between live and under voltage conditions of the line/bus, support dead bus closing permission;

Configurable VT phase angle compensation, voltage loss lockout, external logic lockout;

Output: synchronous qualified, voltage synchronous, angle synchronous, and slip synchronous logic bits.

2 undervoltage 27P (phase voltage undervoltage)

5 independent components to monitor three-phase phase voltage; Support one out of three/two/three action modes; Time limit/inverse time limit optional; Equipped with startup suppression voltage, the unit does not malfunction during startup; Can be locked by PT disconnection 60FL.

3 auxiliary undervoltage 27X (sequence voltage/3V0 monitoring)

4 sets of components, monitoring V1 positive sequence, V2 negative sequence, 3V0 zero sequence, Vx fundamental/third harmonic, used for three-phase imbalance, grounding offset, and internal short circuit protection of the generator.

4 overvoltage of 59P, auxiliary overvoltage of 59X

The function is symmetrical with the 27 series, monitoring phase voltage and sequence voltage exceeding limits, and setting delay and action logic are completely consistent.

5 frequency protection 81 (8 sets of components)

Support overclocking, low-frequency, df/dt frequency change rate (islanding protection core); Can collect main VT or auxiliary Vx voltage; Set high and low frequency suppression, negative sequence locking, and anti islanding standard for distributed power sources; The IEC61850 model is reduced to 4 low frequencies+2 overclocking+2df/dt.

6 negative sequence current 46 (relying on 50/51 component mode)

Detecting phase imbalance and phase failure faults through negative sequence current mode, providing sensitive protection for phase faults; Provide the conversion factor for phase/ground fault setting, which is used for plotting the coordination of upper and lower level protection.

7 instantaneous overcurrent 50 (6 sets of components)

9 monitoring modes: single-phase/three-phase/3I0 zero sequence, IG grounding, positive/negative sequence, unbalanced current; Support directional locking (67 polarization); Can set a 0ms instantaneous delay; Support SEF sensitive grounding small current collection.

8 circuit breaker failure 50BF

Protection circuit breaker refusal fault: protection tripping+continuous detection of fault current, tripping of upper level switch after delay;

Equipped with fast and slow current detection circuits to quickly identify and eliminate faults; Set a control hold timer and a 52BFI input for opening and starting the switch; External circuit breaker position 52 contact linkage is available.

9 inverse time overcurrent 51 (7 sets of components)

Support IEEE standard inverse time formula, built-in ABB CO, GE IAC, BS standard curve, custom curve;

Two major timing modes: instantaneous reset and integral reset (simulating electromagnetic disk);

Voltage braking mode: When the fault voltage drops, the starting current will automatically decrease, and it is dedicated for backup protection of the generator;

Support overheating curve of negative sequence I2t generator;

Configurable forward/reverse direction locking.

10 direction overcurrent 67 (polarization logic)

Provide four types of sequence polarization methods: positive sequence, negative sequence, zero sequence voltage, and zero sequence current; Adapt to phase to phase and ground fault direction determination; Built in fault memory voltage, solving the problem of no voltage loss due to nearby short circuits; Calculate sequence impedance to determine the direction before and after faults, used for selective protection of ring networks and dual power supply feeders.

11 Power Protection 32 (Forward/Reverse Power)

2 sets of components, monitoring active power exceeding limit; Used for reverse power protection of generators and reverse power transmission protection of distributed power sources; Can distinguish three-phase total power/phase separation, set power flow direction (busbar → line/line → busbar), and delay tripping.

12 Automatic reclosing 7

Up to 4 overlapping logics, distinguishing between power on lock/power on allow modes; Configure interval delay, coincidence failure locking, and section logic (automatically reduce coincidence frequency by identifying downstream faults); It can be linked to set group switching, and after a fault, the protection curve can be replaced to achieve graded coordination.

13 RTD Temperature 49 RTD (optional)

6 sets of temperature protection, monitoring motor/cable RTDs, supporting over temperature, low temperature, and multi-point voting trip logic.

14 Analog Over limit Protection (External Module)

8-channel 4-20mA signal upper and lower limit monitoring, used for monitoring auxiliary equipment such as transformer oil level and fan.

15 PT disconnected 60FL

Detect VT fuse/wire disconnection, automatically lock the 27/59/32/67 protection relying on voltage to prevent misoperation.

Control function module

Virtual control switch 43 (5 channels)

No external physical contacts are required. The panel/remote software can be set/pulsed for switching protection, interlocking control, power-off status saving, and supports label differentiation for switching purposes.

Universal Logic Timer 62 (8 channels)

Multiple modes including delay, window, and pulse, allowing for the free construction of interlocking and alarm delay logic.

86 Lock Logic

After the fault trips, it locks automatically and needs to be manually/remotely reset to prevent multiple faults from repeatedly impacting the equipment.

Circuit breaker control logic: opening and closing output, opening circuit monitoring 52TCM, detecting trip coil breakage and fuse failure.

Measurement, fault recording and alarm system

1. Full dimensional measurement

Three phase line/phase voltage, sequence voltage, three-phase/zero sequence/negative sequence current, active/reactive/power factor, frequency, cumulative energy, maximum demand, power quality (harmonics, sudden rise and fall), supporting primary/secondary side numerical switching.

2 Event Record SER

Millisecond level time scale, storing switch displacement, protection start/trip, operation, alarm, matched with IRIG-B/NTP network timing.

3 COMTRADE fault recording

Standard power waveform file, recording voltage and current before and after faults, protection status, and supporting BESTwave software for graphic analysis; Store multiple sets of fault waveforms.

4 Circuit Breaker Monitoring

Record the number of opening and closing cycles, fault breaking current, and duration of opening and closing, generate threshold alarms, and evaluate contact losses.

5-level alarm

Distinguish between light and heavy alarms, with over 50 built-in faults and user-defined logic alarms. The alarm status can be reset through panel/communication, and an alarm history report can be generated.

Programmable Logic BEST logicPlus (Flexible Configuration of the Whole Machine Core)

Graphic drag and drop programming, free overlapping of input/output/protection components/timers/virtual switches;

Built in standard feeder, reclosing, and failure protection logic templates, directly call and modify;

Support self-locking, interlocking, delay, logic reversal, and section linkage;

Logic files can be exported and saved, and configurations can be copied in batches from multiple devices; Support offline simulation without power on verification logic.

Communication system (multi port multi protocol)

port division

Front panel USB: local BESTCOMSPlus debugging, firmware upgrade;

Backplane RS485: Modbus RTU multi station bus;

Optional Ethernet: Modbus TCP, DNP3, IEC61850, NTP timing;

Communication security: graded port access permissions, login logs, password expiration, error locking;

Equipped with BEST netPlus upper monitoring, real-time retrieval of measurement, fault, and waveform data.

BESTCOMSPlus upper software functions

Online reading and writing of machine parameters, fast switching between four tuning groups;

BEST logic offline/online editing simulation;

Step response and visualization analysis of fault waveforms;

Export and print parameter files, and batch distribute devices of the same model;

5. Remote firmware upgrade, RTD module configuration, and export of power quality reports.

Installation, wiring, testing, and maintenance

1. Mechanical installation

Standard 19 inch rack 3U structure, embedded/panel installation drawings; Plug and unplug bracket, CT automatic short circuit protection.

2 Wiring specifications

CT/VT、 Control input, trip output, communication, RTD expansion terminal partitioning; Separate strong and weak electricity, and ground the shielded wire at one end; Provide single-phase/three-phase/open delta standard wiring diagrams.

3 Standardized testing process

Power on self-test, communication verification, CT/VT circuit verification, single function test of all protective components, complete interlocking test of reclosing/failure, output forced circuit test, waveform event verification, with standard test record form attached.

4 Maintenance Standards

No board level maintenance, the faulty machine will be returned to the factory;

The backup equipment is powered on for 30 minutes every year to activate the electrolytic capacitor;

Annual full set protection calibration and terminal fastening;

The power-off clock battery has a 5-year lifespan and is regularly replaced.