Testing system and method for direct-current relay protection equipment

The invention relates to the field of direct current protection, in particular to a test system and method for direct current relay protection equipment. Comprising the steps that a waveform generation device generates a test waveform according to a power grid model, a data control device generates a data packet according to the test waveform and a test scene demand, the data packet is sent to a tested protection device through a protection device interface, and an output response of the tested protection device is acquired through the protection device interface; and the output detection device is used for acquiring the output response and the data packet of the detected protection equipment from the data control device, and judging whether the output response of the direct current protection equipment accords with the power grid logic or not according to the data packet. Through the embodiment of the invention, the problem that in the prior art, the protection equipment can only be tested through a waveform