JBZ-1 relay protection experimental test bench

JBZ-1 Relay Protection Experiment Device(1). The equipment deployed 7 sets of power system automation simulated experiment modules, for pioneering domestic, From the principle of form and systematically explains the course of work of electrical components and power system protection and working process of power system, the seven modules and various relay link into the system for experiment, very image and make students understand easily. (2). The equipment deployed three-phase AC generator, for pioneering domestic. AC voltage: U, V, W, 0 250V, adjustable AC current: U, V, W, 0 30A, adjustable Phase: -90° +357° It can save the heavy phase shifter and three-phase AC voltage regulator, improve the accuracy of experimental and easy to operation, which increased technical class (3). The equipment deployed AMC-1 Multifunction intelligent AC meter (National invention patents) Configuration (1). H0: AMC-1 Multifunction intelligent AC meter (3 sets) 1). With super overload ability 2). Measurement parameters: Instantaneous current, Instantaneous voltage, Effective current value, Effective voltage value, Active power, Reactive power, Power factor, supply frequency. 3). Measurement accuracy: 0.5 grade 4). Reading lock function 5). With 485 interface (2). H1: ZVA-1 DC voltage and current combination meter 1). DC current: 2mA-20mA-200mA-1A-2A-5A 2). DC voltage: 2V-20V-200V-500V 3). Measurement accuracy: 0.5 grade 4). Digital readout, with reading latch, overload record, alarm function (3). H2: Differential relay 1). BCD-2A differential relay 2). Rated current: 5A, 50HZ (4). H3: Time relay (2 sets) 1). JSS48A-S digital readout time relay 2). Digital setting (5). H4: Current relay (2 sets) 1). DL-31/6 current relay 2). Setting current range: 1.5A 6A 50HZ (6). H5: Voltage relay (2 sets) 1). DY-32B voltage relay 2). Rated voltage: 200V (7). H6: Signal relay (2 sets) 1): DX-31 signal relay 2). Single phase 220V 50HZ (8). H7: Three-phase AC generator 1).AC voltage: U, V, W, 0 250V, adjustable 2). AC current: U, V, W, 0 30A, adjustable (9). H8: Three-phase once reclose unit (2 sets) 1). JCH-4A three-phase once reclose 2). DC 220V 3). Recovery time: 15 25S (10). H9: Impulsing relay 1). JC-2 impulsing relay 2). Rated DC voltage: 220V (11). H10 Impedance relay 1). LZ-21 rectifies type direction impedance relay 2). Rated AC voltage: 100V 50HZ Rated AC current: 5A 50HZ 3). Also can used as direction relay (12). H11 Intermediate relay 1). DZ-15Q electromagnetic type DC voltage action relay 2). Rated DC voltage: 220V (13). H13 Three-phase adjustable output power Three-phase adjustable power 0 430V output and fixed three-phase power output (14). H14 DC adjustable power DC adjustable 0 220V/2A, with the overflow, overload, short circuit protection (15). H17 Flashing relay 1). JX-3 flashing relay 2). DC voltage: 220V 3). Flash rate: 60times/sec (16). H19 Electric stop watch 417B digital electric stop watch (17). H24 High-power adjustable resistor 1). 0 100Ω adjustable 2). Power 500W (18). H25 Negative sequence voltage relay 1). JFY-1 negative sequence relay 2). DC voltage: 220V (19). H21 Electric cabinet 1). Three indicator lights for the call display 2). With three AC voltmeter 3). With the overflow, overload, short circuit protection 4). Three-phase adjustable power 0 430V output 5). Single-phase AC power supply: 220V (20). Platform 1). Length: 170cm, width: 72cm, height: 167cm 2). High-quality sheet steel, double spray coating 3). The table-board is high density board Experiment items (1). Relay characteristic experiment items 1). Electromagnetic current relay and voltage relay characteristic experiment 2). Time relay characteristic experiment 3). Intermediate relay characteristic experiment 4). Signal relay characteristic experiment 5). DCD-2 differential relay characteristic experiment 6). Power direction relay characteristic experiment 7). Direction impedance relay characteristic experiment 8). Impulsing relay characteristic experiment 9). Flashing relay characteristic experiment 10). Three-phase once reclose equipment experiment 11). Negative sequence voltage relay characteristic experiment (2). Relay protection experiment items 1). Circuits of time over-current protection experiment 2). Circuits of inverse time over-current protection experiment 3). Low voltage artesian and current quick-breaking protection 4). Unilateral power radial type circuit three-section current protection experiment 5). Experiment of control circuit breaker which furnish jumping latching relay 6). Using pre-acceleration and after-acceleration to improve the performance of relay protection