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Switchgear, relay box, electrical assembly tester

Switchgear, relay box, electrical assembly tester
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Switchgear, relay box, electrical assembly tester
The product is intended for use at enterprises producing and operating electronic objects, as a technological control system and delivery of finished products for electrical testing of control objects (OK).
It is allowed to use additional functional modules in the product, the properties of which do not affect the metrological characteristics of the product as a whole.

Composition

The product includes the following main components:

  1. racks SE204, SE205, SE214 - supporting structures in which the component parts of the product are mounted;
  2. blocks BE252 - designed to control boards of relay switches RK27-10A, as well as to ensure interaction with an external PC via USB2.0 or ETHERNET interfaces. Up to four RK27-10A modules can be installed in each BE252 unit;
  3. Chassis СН-04 AXIe-0 - provides informational interconnection of VVK AXIe modules installed in it according to the AXIe ‑ 0 standard;
  4. high-voltage switch modules providing connection of external tested circuits to the measuring inputs of the UPEM installation: VVK AXIe modules; modules PK27-10A;
  5. UPEM installation - installation for checking electrical installation, performing the functions of a megohmmeter, LCR meter, high voltage generator (DC and AC), breakdown installation;
  6. power supply IP-400 - provides reproduction of the command voltage and DC current;
  7. voltage converter PNBA11-27300 / 1200 / 19KR - provides reproduction of the command AC voltage with a variable frequency;
  8. switchboard KP-VV170 installed on the SE214 rack;
  9. a single set of spare parts and accessories (SPTA-O);
  10. set of operational documents (ED);
  11. software products;
  12. a laptop with an installed Windows operating system (OS), which performs the functions of a control PC.

Note - Delivery without laptop and / or Windows OS is possible. In this case, the user provides the presence of Windows and laptop independently


Basic modes

The product, using the RK27-10A, VVK AXIe modules and the UPEM unit, implements the following automatic verification modes:

  1. checking the continuity of the circuit;
  2. checking the connection (short circuit) of the circuit with the rest of the circuits;
  3. topology check (checking the compliance of the control object with its electrical circuit, represented by a list of electrical circuits and elements);
  4. checking the insulation resistance of the circuit;
  5. checking the electrical strength of the circuit insulation.
The product allows supplying DC and AC voltage to the contacts of the patch panel from command power supplies.

In the mode of supplying DC and AC voltage from command power supplies, the voltage can be applied to:

  • separate product channels;
  • group of product channels.

The product implements the following measuring modes:

  1. DC resistance measurement;
  2. insulation resistance measurement;
  3. measurement of electrical capacity;
  4. DC voltage measurement;
  5. AC voltage measurement;
  6. pn junction check.
The product implements the following measurement modes in the "Multimeter" interactive mode:
  1. "Ohmmeter";
  2. "Megohmmeter";
  3. "Measuring capacity";
  4. "Measuring voltage";
  5. "Check PN junction";
  6. "Active probe mode".

In the modes "Ohmmeter", "Megohmmeter", "Measuring capacity", "Measuring voltage", measurements are performed between the specified operator:

  • two points of one chain;
  • two points of different circuits;
  • two chains;
  • two groups of chains.

In automatic check modes, the operator sets:

  1. the maximum allowable resistance value for the integrity check mode;
  2. the minimum allowable resistance value for the communication test mode (short circuit test - SC) of the circuit with the rest of the circuits;
  3. test voltage value and minimum allowable insulation resistance value for the insulation resistance test mode;

type of test voltage - direct or alternating current, the value of the test voltage, the value of the test (check) time and the rise time of the test voltage to the specified value for the dielectric strength test mode.

The results of the automatic modes can be recorded and saved in the test report indicating the set parameters, date and time of the test. The test report is stored in the form of a file and can be displayed on the screen of a PC monitor, printer, or recorded on a data carrier.

DC resistance measurement and verification can be performed with a two-wire or four-wire measurement. The type of measurement scheme is specified by the user in the "Resistance meter setting" check or using code words is specified in the "Measurement program" check of the AFK-9110 program.

The product provides reproduction of DC test voltage. The range, setting step and limits of the admissible absolute error of reproduction of DC voltage are given in Table 1.1.
Table 1.1

Range, V

DC voltage setting step, V

Limits of permissible absolute error of reproduction of DC voltage, V

0,1 to 30 0,1 ± (0,002·Uвосп + 0,03)
25 to 100 1 ± (0,01·Uвосп + 1)
101 to 2120 1 ± (0,01·Uвосп + 2)
Note - Uвосп – set value of DC voltage (V)

The product is capable of reproducing 50 Hz rms AC voltage. The range, step of installation and the limits of the permissible relative error of reproduction of the rms values of the AC voltage are given in table 1.2.
Table 1.2

Range, V

Step of setting the rms value of the AC voltage, V

Limits of permissible relative error of reproduction of the rms value of the AC voltage,%

25 to 1500 1 ± 2

The product provides constant current reproduction. The range, step of installation and limits of the admissible absolute error of reproduction of the DC current are given in table 1.3.
Table 1.3

Range, mA

DC current setting step, mA

Limits of permissible absolute error of reproduction of DC current, mA

0,1 to 100
0,01 ± (0,005 × Iвосп + 0,01)
101 to 2000 1 ± (0,005 × Iвосп + 1)
Note - Iвосп – constant current setpoint (mA)

The product provides the setting of the holding time of the test voltage in the modes of checking the dielectric strength of the insulation and checking the insulation resistance. The range, setting step and limits of the permissible absolute error of setting the test voltage holding time are shown in Table 1.4.
Table 1.4

Range, s

Step for setting test voltage holding time, s

Limits of absolute error of setting the test voltage holding time, s

1 to 600 no more than 1 ± (0,02 × Т + 0,1)
Note - T is the specified withstand time of the test voltage

The product provides in the modes of checking the dielectric strength of insulation and checking the insulation resistance at the total values of the reactances of the circuits L <5 μH and C <500 pF rise of the test voltage with a given value of U from 0.1 U to 0.9 U in a time not more than (Tn + 0.05 Tn), where Tn is the rise time, set with in 0.1 s increments in the range from 0.1 to 60 s

The product provides measurement of electrical capacity. The range and limits of the permissible relative error in measuring the electrical capacity are shown in Table 1.5.
Table 1.5

Range, nF

Limits of permissible relative error in measuring electrical capacity,%

0,1 to 104 ± 5

The product provides measurement and verification of electrical resistance to direct current using a two-wire measurement circuit.
The range and limits of the permissible absolute error of electrical resistance to direct current are shown in Table 1.6.
Table 1.6

Range, Ohm

Limits of permissible absolute error in measuring direct current electrical resistance using a two-wire measurement circuit, Ohm

0,1 to  1 ± (0,002·Rизм+ 0,03)
1 to 107
± (0,002·Rизм + 0,2)
Note - Rизм – measured value of DC resistance (Ohm)

The product provides measurement and verification of electrical resistance to direct current using a four-wire measurement circuit.
The range and limits of the permissible absolute error of electrical resistance to direct current according to the four-wire measurement circuit are shown in Table 1.7.
Table 1.7

Range, Ohm

Limits of permissible absolute error of measurements of electrical resistance to direct current in a four-wire measurement circuit, Ohm

0,001 to 107 ± (0,002·Rизм+ 0,002)
Note - Rизм – measured value of DC resistance (Ohm)

The product provides measurement and verification of insulation resistance.
The range and limits of the permissible relative error in measuring the insulation resistance are given in Table 1.8.
Table 1.8

Range, MOhm

Limits of permissible relative error of insulation resistance measurements,%

0,1 to 499 ± (1 + k·Rизм/Uисп)
500 to 1000 ± (2 + k·Rизм/Uисп)
Note
  1. Rизм – measured value (MOhm)
  2. Uисп – test voltage value (V)
  3. k = 1 V/MOhm

The average time for measuring and checking the resistance of a circuit consisting of two points (a circuit connected to two channels of the product) does not exceed the values indicated in table 1.9.
Table 1.9

Aperture, ms

Average measurement time, ms

2 35
20 55

The average time for measuring and checking insulation resistance does not exceed the values indicated in table 1.10.
Table 1.10

Test voltage, V

Average measurement time, ms

5 to 500 0,5
501 to 2000 1,3

The product provides DC voltage measurement.
The ranges and limits of the permissible absolute error in measuring the DC voltage are given in Table 1.11.
Table 1.11

Range, V

Limits of permissible absolute error of DC voltage measurement, V

-0,1 to 0,1 ± (0,002·Uизм + 0,0002)
-1 to 1 ± (0,002·Uизм + 0,002)
-10 to 10 ± (0,002·Uизм + 0,02)
-100 to 100 ± (0,002·Uизм + 0,2)
-700 to 700 ± (0,003·Uизм + 0,3)
Note - Uизм - measured value of DC voltage (V)

The product provides an AC voltage rms measurement. Measurement ranges and limits of the permissible relative error of the rms value of the AC voltage are given in Table 1.12.
Table 1.12

Range, V

Limits of permissible relative measurement error of the rms value of the AC voltage,%

0 to 10 ± 5
0 to 100 ± 5
0 to 700 ± 5
Note - The limits of the permissible relative error of AC voltage measurements are given for the measured values of AC voltage with a frequency of 50 Hz

The product provides testing of dielectric strength of insulation by applying DC voltage or AC voltage to the tested circuit and monitoring the leakage current. When the leakage current reaches the specified threshold value of the breakdown current, insulation breakdown is recorded, with the disconnection of the test voltage source.
The product measures leakage current when an AC voltage is applied. The range and limits of the permissible absolute error in measuring the insulation leakage current when the AC voltage is applied are given in Table 1.13.
Table 1.13

Range, μA

Limits of permissible absolute error of insulation leakage current measurements when AC voltage is applied, μA

10 to 7000 ± (0,05·Iизм + 2)
Note - Iизм – measured value of leakage current (μA)

The product provides measurement of electrical resistance to direct current using a four-wire circuit at a given polling current of 100 mA.
The range and limits of the permissible absolute error of DC resistance measurements are given in Table 1.14.
Table 1.14

Range, Ohm

Limits of permissible absolute error of DC resistance measurements using a four-wire circuit at a given polling current of 100 mA, Ohm

0,001 to 30 ± (0,005·Rизм + 0,0003)
Note - Rизм – measured value of DC resistance (Ohm)

The product provides the ability to supply DC and AC voltages from the command power supplies IP-400 ФТКС.436237.003 and the voltage converter PNBA11-2 / 300/1200 / 19KR (hereinafter referred to as PNBA).
The ranges and errors of permissible voltages and currents of the IP-400 power supply are given in Table 1.15.
The ranges and errors of permissible voltages and currents of the PNBA11-2 / 300/1200 / 19KR voltage converter are given in Table 1.16.
Table 1.15 - Technical characteristics of the IP-400 power supply

Description of characteristics

Value

DC voltage reproducible range, V 0,1 – 40
Limits of permissible absolute error of reproduction of DC voltage, V ± (0,05·10-2Uуст + 0,010),
where Uуст – is the value of the set reproducible DC voltage
Range of reproducible DC current, A 0,1 – 10
Limits of permissible absolute error of reproduction of direct current strength, A ± (0,1·10-2 Iуст + 0,060),
where Iуст – settable reproducible DC current

Table 1.16 - Specifications ПНБА11-2/300/1200/19КР

Description of characteristics

Value

AC voltage with frequency up to 400 Hz, V 300
Limits of permissible absolute error of reproduction of AC voltage, V ± 0,5 %
Range of reproducible AC current, A 0 - 9
Limits of permissible absolute error of reproduction of AC current, A ± (0,5 % + 0,5 % ×((Iмакс-Iизм)/Iмакс) +1 ед. мл. разряда))

The number of measuring channels of the product   500
Maximum reproducible DC voltage 2120 V
Time of preparation of the product for work no more than 20 minutes, of which 10 minutes takes the time to warm up the equipment
Continuous operation 22 hours followed by a break of at least 2 hours
Product power supply from a single-phase AC network with a voltage of (220 ± 22) V and a frequency of (50 ± 1) Hz
Power consumed by the product through the power supply no more than 1500 VA
Weight 600 kg
Switchgear, relay box, electrical assembly tester