K513 blocks regulation (K-513, K 513)
K513 blocks regulation is supplied with the unit installation U5052. Provides a controlled single-phase AC and rectified DC voltage and current, measurement of the temporal characteristics of the device under test.
Technical characteristics of the instrument K513 blocks regulation:
Rated supply voltage - 220V or 380V;
Block adjustment K513 provides at the output terminals of electrical quantities in accordance with Table 1;
* Current measurement is performed external ammeter. Deviations from those listed in the Table. 1 of currents and voltages of ± 15%;
Performing both paragraphs. 1 and 4 or 2 and Table 4. 1. installation must be switched off for at least 45 minutes to cool after each of the conditions shown in Table 1;
Sinusoidal shape of the AC voltage at the terminals "= U" at current 5A, 380V voltage and resistive load, and the difference between the voltage distortion at the load ("= U"), and the network does not exceed 5%;
Ripple rectified voltage and current at the terminals "= U" according to Table 2;
Table 2 Coefficient Ripple rectified voltage and current at the terminals "= U"
K513 provides determination voltage (current operation, resetting of relay devices and other AC and DC) current including the intermediate DC relay with parallel and serial windings;
Determination of single-ended pins parallel and serial winding intermediate relay DC;
Definition of response time (return) of the test apparatus (to make, break and time-NO) using the built-in device U5052 elektrosekundomera PV-58SCH millisekundomera or external (eg F209, F738, FIV, EMC-54). The alarm relay contact closure inspected;
Block adjustment K513 K514 together with the block at nominal line voltage 380V or 220V provides:
Smoothly - step control of single-phase alternating current. Load parameters, depending on the duration of the switch-on, the nominal supply voltage and the resistance in the primary circuit of the transformer load are given in Table. 3;
Table 3 Parameters of the load, depending on the duration of the switch-on, the nominal supply voltage and the resistance in the primary circuit of the transformer load
The deviation of currents and voltages of ± 25%;
The simultaneous fulfillment of the conditions Table 3 and 3 of Table 1. This current may be reduced and the load voltage, as compared with the above 15%;
Work in intermittent mode (SCC), defined as the time intervals shown in Table 4. When operating in ASM installation provides the currents and voltages specified in Table 3 for a duration of 0.5 minutes.
Table 4: Work in intermittent mode (ASM)
Installing the U5052 must be switched off for at least 45 minutes to cool down after each of the conditions shown in Table. 3,4,5.
Sinusoidal shape of the AC current in the active load current of 50A, connected to terminals "I ≤ 50A." The difference between the coefficients of non-linear distortion of the curve AC h load circuit and voltage does not exceed 2%;
Improved current waveform through the load resistor included in a primary winding of the transformer T3 switch "S21", controlled levels 0 ohms, 20 ohms, 70 ohms, 200 ohms, with the allowable current in the load at power-up duration shown in Table 3min. 3.