Automotive Transient Surge Simulator(ISS/JSS) JASO Standard Compliant Automotive Transient Surge Simulator JSS-001

Parameter Specification (JSS-001)
Output voltage / RC Time constant / Output impedance / DC cut time Type A-1 100 V / 200ms / 0.8 Ω / −
Type A-2 150 V / 2.5μs / 0.4 Ω / −
Type B-1 -100 V / 60ms / 8 Ω / 300ms
Type B-2 -320 V / 2ms / 80 Ω / 10ms
Repetition frequency /number of pulses 30s / 1 〜 999999
DUT power capacity Max. DC 50 V / 10 A
Dimensions (W)555 x (H)1500 x (D)790 mm
Weight Approx. 160 kg

■JASO D001-94
1.Conditions of Transient Voltage Test

Class Type of test Test conditions Number of pulses Location of transient voltage impression
Vp (V) τ (μs) f (Hz) R3 (Ω)
12V system Type A A-1 70 200000 0.8 1 Power supply terminal
A-2 110 2.5 1/30 0.4 10
Type B B-1 -80 60000 8 100
B-2 -260 2000 80
Type C As agreed between the parties concerned via agreement Related Terminal
24V system Type D D-1 110 400000 1.5 1 Power supply terminal
D-2 170 2.5 1/30 0.9 10
Type E -320 26000 210 100
Type F As agreed between the parties concerned via agreement Related Terminal

 

2.Constants in the Generating Circuits for Type A and Type D Transient Voltage Tests

Type of test Capacitor voltage (V) ResistorR1 ResistorR2 (Ω) ResistorR3 (Ω) ResistorR4 (Ω) Capacitor C ( μF) Remarks
Type A A-1 88 To be determined along power supply capacity for the charging 5 (100) 1 (100) 4 (100) 80000 Select the either combination
70 2 (100) 0.8 (100) 110000
A-2 110 0.6 (200) 0.4 (150) 4.7
Type D D-1 130 22 (100) 2 (100) 11 (100) 50000 Select the either combination
110 5.5 (100) 1.5 (100) 73000
D-2 170 1.2 (100) 0.9 (100) 2.2

 

Remarks
1. Numbers in parenthesis are reference figures for resistor power rating. Unit: W
2. The specified  values for resistors and capacitors shall be true values not designated values.

3.Constants in the Generating Circuits for Type B and Type E Transient Voltage Tests

Type of test Capacitor voltage (V) ResistorR1 ResistorR2 (Ω) ResistorR3 (Ω) ResistorR4 (Ω) Capacitor C ( μF) Remarks
Type B B-1 -100 To be determined along power supply capacity for the charging 50 ( 10) 10 (10) 40 (10) 2400 Select the either combination
-80 20 ( 10) 8 (10) 3000
B-2 -260 60 ( 5) 80 ( 5) 33
Type E -457 27 (100) 300 (10) 700 (10) 1000 Select the either combination
-320 13 (100) 210 (10) 2000

 

Remarks
1. Numbers in parenthesis are reference figures for resistor power rating. Unit: W
2. The specified  values for resistors and capacitors shall be true values not designated values.
* See the original document for the Figures.

Description

Simulator to reproduce various transient surge phenomena which are generated in a vehicle and required in JASO D001-94 General Rules of Environmental Testing Methods for Automotive Electronic Equipment established by The Society of Automotive Engineers of Japan Standard, and evaluate the immune resistibility of the equipped electronics devices against the surge.

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