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td6600 calibrator for relaying protection testers 专用于检测继电保护测试仪的技术性能
交 / 直流电压测量 ( 6 通道 )：最大测量能力达 1100 v
交 / 直流电流测量 ( 6 通道 )：其中三路最大测量能力达 33 a，另三路达 66 a
交 / 直流小信号电压测量 ( 8 通道 )：最大测量能力达 7.7 v
直流测量可分析频带为 1 hz ～ 5 khz 的纹波
交流测量可接入频率宽达 10 hz ～ 1 khz 的正弦波信号，并分析 2 ～ 63 次谐波
overview
model td6600, an intelligent apparatus for testing the technical performance of relay protection testers. the apparatus can accurately measure multiple ac and dc voltage, current and low voltage with an accuracy of class 0.02. full-function test for relay protection testers of class 0.05 and below can be done just by one td6600. compared with the traditional methods, the apparatus is simpler wiring and easier operation.
reference standard
● gb 7261-2016 basic testing method for relaying protection and security automatic equipment
● jjg 1112-2015 testers for relaying protection
● dl/t 1153-2012 calibration specification of relay protection testers
● dl/t 624-2010 technical specifications of test equipment based on micro-computer for protection equipment
● dl/t 860.91 communication networks and system in substations part 9-1
● dl/t 860.92 communication networks and system in substations part 9-2
features
● ac and dc voltage measurement (6 channels): the maximum voltage is up to 1100 v.
● ac and dc current measurement (6 channels): the maximum current is up to 66 a.
● ac and dc low voltage measurement (8 channels): the maximum voltage is up to 7.7 v.
● direct wiring for measurement without changing wiring.
● analyze the dc ripple with a frequency of 1 hz to 5 khz at the dc measurement.
● input the sine wave signal with a frequency of 10 hz to 1 khz and analyze the harmonic from 2nd to 63rd at the ac measurement.
● active power, reactive power, apparent power and power factor measurements are also supported.
● the built-in time measurement module can be used to measure the response time and synchronism without other apparatus.
● there are 4 pairs of binary input and 8 pairs of binary output to test action conformance for the switching values.
● proprietary software (option): support the calibration by semi-automatic or full-automatic, data management and report export.
test
● accuracy of amplitude, frequency and phase tests for ac voltage and current; dc component test.
● characteristic of amplitude and frequency, total harmonic distortion and response time tests for ac voltage and current.
● symmetry test for three-phase source, synchronization test between ac voltage and ac current.
● amplitude accuracy, ripple and response time tests for dc voltage and current.
● control accuracy of closing angle test, phase displacement calibration and time calibration.
● load capacity test.
electrical specifications
ac/dc voltage and current measurement
measurement characteristics
● range switching: automatic or manual
● measuring range of voltage: 200 mv to 1100 v
● minimum resolution of voltage: 1 μv
● input impedance: 1 mω
● measuring range of current: 1m a to 60 a
● minimum resolution of current: 0.1 μa
● display: 6 digits
ac/dc low voltage measurement
measurement characteristics
● range switching: automatic or manual
● measuring range of low voltage: 1 mv to 7.707 v
● minimum resolution of voltage: 0.1 μv
● input impedance: 1 mω
● display: 6 digits
frequency measurement
phase measurement
● phase: the frequency of input voltage and current is from 40 hz to 70 hz.
● measuring range: 0.000 ° to 359.999 °
● accuracy: ±0.05 °
harmonic and ripple measurement
● harmonic order: 2nd to 63rd
● accuracy of harmonic measurement: ±0.1 % of range
● ripple frequency: 1 hz to 5 khz
● accuracy of ripple measurement: ±0.05 % of range (rms)
ac power measurement
switching value and time measurement
● binary input: 4 pairs of idle contacts or ttl level from 0 to 5 v, the response time is 20 µs.
● binary output: 4 pairs of optocouplers, the contact rating is 40 v / 30 ma, the response time is 20 µs.
● idle contact output: 4 pairs, the contact rating is 220 v / 0.5 a.
● accuracy of response time / synchronism / closing angle: ±5 μs
general specifications
● line power: 220 v ±22 v, 50 hz ±2 hz
● operating environment: 0 °c to +40 °c, 20 % to 85 % r·h, non-condensing
● storage environment: -20 °c to +70 °c, <95 % r·h, non-condensing
● dimensions (w × h × d): 480 mm × 270 mm × 400 mm
● weight: 18 kg
● communication: rs-232 interface
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