GB/T 36640-2018Solid-state relay (English PDF)

3.1 Terms and definitions related to relays

3.1.1

An electrical relay that produces a predetermined response without mechanical motion from electronic, magnetic, optical, or other components.

[GB/T 2900.63-2003, definition 444-01-05]

3.1.2

Electrical relay electricalrelay

When the component is controlled such that its input current reaches a specified condition, one or more of its output circuits will produce a predetermined transition element.

Device.

3.1.3

Rated operating voltage ratedoperationalvoltage

Ue

The voltage value used by the solid state relay is determined by the corresponding test and load category.

3.1.4

Rated insulation voltage ratedinsulationvoltage

Ui

The voltage value associated with the dielectric withstand voltage test and creepage distance.

3.1.5

Rated impulse withstand voltage ratedimpulsewithstandvoltage

Uimp

Solid state relays can withstand failures, peak voltages with specified waveforms and polarities under specified test conditions, and electrical

The gap value is related.

3.1.6

Rated operating current ratedoperationalcurrent

Ie

Unless otherwise specified, at 40 ° C ambient temperature, when the solid state relay is in the on state, its rated working voltage, rated frequency (see

4.3), load category (see 4.4) and normal operating current related to overload characteristics.

3.1.7

Rated continuous current rateduninterruptedcurrent

Iu

The value of the current that a solid state relay can withstand during continuous load loading is specified by the manufacturer.

3.1.8

Rated frequency ratedfrequency

The frequency of the power supply designed by the solid state relay and adapted to its other characteristics.

Note. A value or a range of values can be specified for the rated frequency of the same solid state relay, or the same solid state relay can be used under both AC and DC.

Work at rated.

3.1.9

Overload current working curve overloadcurrendprofile

A plot of the current versus time given for the controlled overload current.

3.1.10

Working power operatingcapability

The total power represented, including.

---Switch and carry its on-state current; and

--- Establish and keep in the off state (blocking).

The highest rated voltage is applied under the specified load and load category overload conditions, overload current operating curve and duty cycle.

3.1.11

Rated condition short-circuit current ratedconditionalshort-circuitcurrent

The expected current value specified by the manufacturer. The solid state relay is protected by a short circuit protection device specified by the manufacturer. In the corresponding product standard

Under the specified test conditions, the solid state relay can withstand the current value during the operating time of the protection device.

3.1.12

Leakage current

Il

The rms value of the maximum current allowed by the manufacturer's specified solid state relay in the off state.

3.1.13

On-state voltage drop ON-statevoltagedrop

Ud

The solid state relay specified by the manufacturer outputs the voltage peak-to-peak value between the output terminals in the on state.

3.2 Terms and definitions for insulation coordination (see Appendix A)

3.2.1

Clearance clearance

The shortest distance between the two conductive members in the air.

[IEC 60664-1, Definition 1.3.2]

3.2.2

Creepage distance creepagedistance

The shortest distance between the two conductive members along the surface of the insulating material.

[IEC 60664-1, Definition 1.3.3]

3.2.3

Functional insulation functionalinsulation

Only the insulation required for the specific function of the device is applied between the conductive parts.

[IEC 60664-1, Definition 1.3.17.1]

3.2.4

Solid insulation solidinsulation

Insert a solid insulating material between the two conductive members.

[IEC 60664-1, Definition 1.3.4]

3.2.5

Basic insulation basicsulation

Insulation is provided on the conductive member to provide basic protection against electric shock.

Note. Basic insulation does not necessarily include insulation specifically for functional purposes.

[IEC 60664-1, definition 1.3.17.2]

3.2.6

Additional insulation supplementaryinsulation

In addition to the basic insulation, an additional independent insulation is provided to provide protection against electric shock in the event of a basic insulation failure.

[IEC 60664-1, Definition 1.3.17.3]

3.2.7

Double insulated doubleinsulation

Insulation consisting of both basic and additional insulation.

[IEC 60664-1, definition 1.3.17.4]

3.2.8

Reinforced reinforced insulation

An independent insulation structure is provided on the conductive member to provide protection against electric shock equal to double insulation under the conditions specified by the relevant standards.

Protection level.

Note. A separate insulation structure does not mean that the insulation structure must be a homogeneous monomer. The insulating structure can be composed of multiple layers, and these

Levels cannot be tested separately as basic insulation or additional insulation.

[IEC 60664-1, definition 1.3.17.5]

3.2.9

Overvoltage overvoltage

The peak value is greater than any peak voltage of the corresponding steady state voltage peak under normal operating conditions.

[IEC 60664-1, definition 1.3.7]

3.2.10

Overvoltage category overvoltagecategory

Transient overvoltage conditions expressed as numbers.

Note. For overvoltage categories I, II, III and IV, see 2.2.2.1 of IEC 60664-1.

[IEC 60664-1, Definition 1.3.10]

3.2.11

Pollution polution

Any foreign matter (solid, liquid or gas) that would reduce the dielectric resistance or surface resistivity of the dielectric of the insulator.

[IEC 60664-1, Definition 1.3.11]

3.2.12

Micro-environment

In particular, the direct environment of the insulator that affects the size of the creepage distance.

[IEC 60664-1, definition 1.3.12.2]

3.2.13

Macroscopic environment macro-evironment

The environment in which the equipment is installed or used in a room or other location.

[IEC 60664-1, Definition 1.3.12.1]

3.2.14

Pollution degree polutiondegree

The estimated degree of contamination of the microenvironment characterized by numbers.

Note. For pollution levels 1, 2, 3 and 4, see 2.5.1 of IEC 60664-1.

[IEC 60664-1, Definition 1.3.13]

3.2.15

Type 1 protection type1protection

Protection against contamination by coating, potting or molding, which can withstand Class 1 contamination.

Note 1. Requirements and tests are given in IEC 60664-3.2003.

Note 2. Level 1 pollution is as specified in A.2.3.

4.1 Overview of Features

The characteristics of a solid state relay are expressed in the following terms (where applicable).

--- Solid relay type (see 4.2);

--- Rating and limit values of the load circuit (see 4.3);

---load category (see 4.4);

--- Rating and limit values of the control circuit (see 4.5).

4.2 Solid Relay Type

The type of solid state relay is expressed as follows.

---The number of groups of load circuit groups;

--- Type of load circuit group.

4.3 Rating and limit values of the load circuit

The rating and limit values for the following parameters shall be determined for the solid state relay, but all corresponding values shall not necessarily be determined by tests.

---Rated voltage.

* rated working voltage (Ue);

* On-state voltage drop (Ud);

* rated insulation voltage (Ui);

In any case, the maximum rated operating voltage must not exceed its rated insulation voltage.

Note. If the rated insulation voltage is not specified for the solid state relay, the maximum rated operating voltage is considered to be its rated insulation voltage.

* Rated impulse withstand voltage (Uimp).

The rated impulse withstand voltage of a solid state relay shall be equal to or higher than the transient overvoltage gauge generated in the circuit to which it is connected.

Value.

---Rated current.

* rated operating current (Ie);

* rated continuous current (Iu);

* Leakage current (Il).

The above requirements shall be given by the manufacturer.

---Rated frequency.

---rated load and overload characteristics.

* Overload current working curve.

The overload current is a multiple of the rated operating current (Ie) (see Table 4), indicating the operating current under operating overload conditions.

The maximum value.

Care should be taken that the time does not exceed its 10 power frequency cycles but may exceed the values specified in Table 4 and is overloaded

Overload current not considered in the current curve.

* Working power.

The operating power is expressed by the following characteristics.

Rated operating voltage;

Rated operating current;

Overload current operating curve;

Load category.

The above requirements are given in Chapter 8.

--- rated condition short circuit current.

4.4 Load category

The standard load categories are specified in Table 1. Any other type of load should be based on the agreement between the manufacturer and the user, but

The information given in the manufacturer's catalog or in the tender can be used in place of this agreement.

Each load category (see Table 1) consists of current, voltage, power factor values and other data in Tables 4 and 5 and uses this standard.

The test conditions specified in the test were characterized.

A solid state relay indicating only one load category rating, if the load category rating has been tested and verified, as long as the

For column requirements, the ratings for other load categories can be given without trial.

--- The tested rated operating current and voltage should not be less than the rated value given without testing;

--- The tested load rating and duty cycle requirements shall be equal to or stricter than the rating given without testing;

--- The tested load rating of the overload current curve should be equal to or stricter than the rating given without testing.

Table 1 Load category

Load category typical application

LCA resistive or micro-inductive load

LCB motor load

LCC discharge lamp

LCD incandescent lamp

LCE transformer

LCF capacitive load

4.5 Control circuit ratings and limits

The characteristics of the electronic control circuit are.

--- Current type;

---Power consumption;

---Rated frequency;

--- Control circuit rated voltage (Uc);

---Control the rated voltage of the power supply (Us);

---Shutdown voltage;

--- Turn on the voltage.

The rated voltage and rated frequency of the control circuit, if any, are based on the operation of the control circuit and the temperature rise characteristics. Manufacturing plant

The minimum and maximum operating values of the control circuit voltage Uc and the control supply voltage Us should be indicated.

Note 1. The manufacturer should pre-specify the current value of the control circuit under the control power supply rated voltage.

Note 2. Due to the built-in transformer, rectifier, etc., the control circuit voltage Uc that separates the control input signal is applied to the power supply that is applied to the control circuit.

The control power supply voltage Us between the terminals.

5.1 mark

The data for 1a and 1b in Table 2 should be clearly and securely marked on the solid state relay. If there are enough vacancies on the solid state relay, then

2a, 2b, and 2c should be added to the solid state relay as well as the control voltage rating and the terminal identification.

The tests shown below are only performed when the markings are made of additional material (eg inkjet or roller printing).

Compliance check for marking durability requirements is tested as follows using a manual rubbing mark.

a) use a piece of cloth soaked in distilled water to move back and forth 15 times in about 15 seconds;

b) Then use a piece of cloth soaked in petrol and move it back and forth 15 times in about 15 seconds.

During the test, the cloth that has been saturated should be pressed against the mark at a pressure of approximately 2 N/cm2.

After the test, the mark should be kept clear.

Note. The gasoline used is defined as the fat solvent ethane, the fragrance content is 0.1% by volume, and the Beckonol butanol value (solution dissolution value) is 29, initial

The boiling point is about 65 ° C, the dry point is about 69 ° C, and the density is 0.68 g/cm 3 .

5.2 Data

The manufacturer shall give data on the valid requirements listed in Table 2.

Table 2 Required data

Serial number data location

5.3 Installation, Operation and Maintenance Instructions

The manufacturer shall provide instructions for installation, operation and maintenance.

6.1 Standard conditions for use, transport and storage

6.1.1 Ambient temperature

Unless otherwise specified, solid state relays preferably operate at ambient temperatures ranging from -5 ° C to 40 ° C; transport and storage ambient temperature ranges

It is -25 ° C ~ 85 ° C.

For solid state relays operating outside the above range, see the manufacturer's specifications.

6.1.2 Atmospheric conditions

6.1.2.1 Humidity and altitude

The manufacturer shall specify the maximum relative humidity and altitude for storage, transportation and operation.

6.1.2.2 Pollution level

The solid state relay is intended to be used under the environmental conditions of Pollution Degree 2 as specified in Appendix A, unless ot...