Product Details
Product Description
Product Description
Focus on DCS, PLC, robot control system and large servo system.
Main products: various modules / cards, controllers, touch screens, servo drivers.
Advantages: supply of imported original products, professional production parts,
Fast delivery, accurate delivery time,
The main brands include ABB Bailey, Ge / fuanc, Foxboro, Invensys Triconex, Bently, A-B Rockwell, Emerson, ovation, Motorola, xyvom, Honeywell, Rexroth, KUKA, Ni, Deif, Yokogawa, Woodward, Ryan, Schneider, Yaskawa, Moog, prosoft and other brands
- stator earthing resistance RPS 75 Ω to 500 Ω - stator earthing resistance RES 250 Ω to 5 kΩ (≥4.5 x RPS) (All values are based on the starpoint side) The actual earthing resistances RES + RPS have to be calculated in accordance with the Operating Instructions: The 100% stator earth fault protection function always requires an injection unit type REX010, an injection transformer block type REX011 and a 95% stator earth fault protection function. ABB Switzerland Ltd Numerical Generator Protection Power Technology Systems REG216 / REG216 Classic 1MRB520004-Ben Page 21 Table 28: Rotor earth fault protection (64 R) Features: • Continuous supervision of the insulation level and calculation of the earthing (grounding) resistance • Alarm and tripping values are entered resp. measured and displayed in kΩ Settings: Alarm stage 100 Ω to 25 kΩ Delay 0.2 s to 60 s Tripping stage 100 Ω to 25 kΩ Delay 0.2 s to 60 s RER 900 Ω to 5 kΩ Coupling capacity 2 µF to 10 µF Reset ratio 110% Accuracy 0.1 kΩ to 10 kΩ <±10% 0 to 100 Ω, 10 kΩ to 25 kΩ <±20% Starting time 1.5 s Functional requirements: - total rotor earthing capacity 200 nF to 1µF - rotor earthing resistance RPR 100 Ω to 500 Ω - rotor earthing resistance RER 900 Ω to 5 kΩ - coupling capacity 2 µF to 10 µ F - time constant τ = RER × C = 3...10 ms The actual earthing resistance RER + RPR have to be calculated in accordance with the Operating Instructions. The 100% rotor earth fault protection function always requires an injection unit type REX010 and an injection transformer block type REX011 which are connected to the plant via coupling capacities. Numerical Generator Protection REG216 / REG216 Classic 1MRB520004-Ben Page 22 Technical data (cont´d) ABB Switzerland Ltd Power Technology Systems Table 29: Pole slip protection (78) Features: • Recording the pole wheel movements from 0.2 Hz to 8 Hz • Differentiation of the pendulum center inside or outside of the generator-transformer block zone by two independent tripping stages • Adjustable warning angle for pole wheel movements • Number of slips adjustable before tripping Fig. 8 Characteristic of the function Settings: ZA (system impedance) 0 to 5.0 UN/lN ZB (generator impedance) -5.0 to 0 UN/lN ZC (impedance step 1) 0 to 5.0 UN/lN Phi 60° to 270° warning angle 0° to 180° tripping angle 0° to 180° n1 0 to 20 n2 0 to 20 t-reset 0.5 to 25 s Table 30: Synchrocheck (25) Features: • Supervision of synchronism. Single-phase measurement. The differences of the amplitudes, phase angles and frequencies of two voltage vectors are checked • Voltage supervision: Single- or three-phase voltage measurement. Evaluation of instantaneous values and therefore a large frequency range. Detection of maximum and minimum values in case of three-phase input • Phase selection of the voltage inputs • External switchover to another voltage input is possible (for double busbar systems) • External selection of the mode Settings: Max. voltage diff. 0.05 to 0.4 UN in steps of 0.05 UN Max. phase diff. 5 to 80 deg. in steps of 5.0 deg. Max. frequency diff. 0.05 to 0.4 Hz in steps of 0.05 Hz Min. voltage 0.6 to 1 UN in steps of 0.05 UN Max. voltage 0.1 to 1 UN in steps of 0.05 UN Supervision time 0.05 to 5 s in steps of 0.05 s Reset time 0 to 1 s in steps of 0.05 s ABB Switzerland Ltd Numerical Generator Protection Power Technology Systems REG216 / REG216 Classic 1MRB520004-Ben Page 23 Table 31: Metering function UIfPQ SN = √3 • UN • IN (three-phase) SN = 1/3 • √3 • UN • IN (single-phase) • Single-phase measurement of voltage, current, frequency, real power and apparent power • Choice of measuring phase-to-ground or phase-to-phase voltages • Suppression of DC components and harmonics in current and voltage • Compensation of phase errors in main and input CTs and VTs Settings: Phase-angle -180° to +180° in steps of 0.1° Reference value of the power SN 0.2 to 2.5 SN in steps of 0.001 SN Refer to Table 33 for accuracy. Table 32: Three-phase measuring module • Three-phase measurement of voltage (star or delta), current, frequency, real and apparent power and power factor • Two independent impulse counter inputs for calculation of interval and accumulated energy • The impulse counters can be used independently and may also be disabled • This function may be configured four times
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